Home / 175,971.28-242,853.24-100,518.16

Finding the Fourth Proportional to 175,971.28, 242,853.24 and 100,518.16

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Solution

The fourth proportional to 175,971.28, 242,853.24 and 100,518.16 is: 138,722.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,971.28 : 242,853.24 = 100,518.16 : x
  2. Step 2: Convert to fraction form
    175,971.28/242,853.24 = 100,518.16/x
  3. Step 3: Cross multiply
    175,971.28x = 242,853.24 × 100,518.16
  4. Step 4: Simplify right side
    175,971.28x = 24,411,160,834.84
  5. Step 5: Solve for x
    x = 24,411,160,834.84/175,971.28
  6. Step 6: Final answer
    x = 138,722.41

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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.