Home / 162,515.04-243,803.06-73,774.80

Finding the Fourth Proportional to 162,515.04, 243,803.06 and 73,774.80

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Solution

The fourth proportional to 162,515.04, 243,803.06 and 73,774.80 is: 110,676.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,515.04 : 243,803.06 = 73,774.80 : x
  2. Step 2: Convert to fraction form
    162,515.04/243,803.06 = 73,774.80/x
  3. Step 3: Cross multiply
    162,515.04x = 243,803.06 × 73,774.80
  4. Step 4: Simplify right side
    162,515.04x = 17,986,521,990.89
  5. Step 5: Solve for x
    x = 17,986,521,990.89/162,515.04
  6. Step 6: Final answer
    x = 110,676.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.