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Finding the Fourth Proportional to 175,885.29, 242,722.58 and 103,337.03

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Solution

The fourth proportional to 175,885.29, 242,722.58 and 103,337.03 is: 142,605.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,885.29 : 242,722.58 = 103,337.03 : x
  2. Step 2: Convert to fraction form
    175,885.29/242,722.58 = 103,337.03/x
  3. Step 3: Cross multiply
    175,885.29x = 242,722.58 × 103,337.03
  4. Step 4: Simplify right side
    175,885.29x = 25,082,230,621.26
  5. Step 5: Solve for x
    x = 25,082,230,621.26/175,885.29
  6. Step 6: Final answer
    x = 142,605.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.