Home / 131,024.42-180,814.30-74,438.90

Finding the Fourth Proportional to 131,024.42, 180,814.30 and 74,438.90

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Solution

The fourth proportional to 131,024.42, 180,814.30 and 74,438.90 is: 102,726.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,024.42 : 180,814.30 = 74,438.90 : x
  2. Step 2: Convert to fraction form
    131,024.42/180,814.30 = 74,438.90/x
  3. Step 3: Cross multiply
    131,024.42x = 180,814.30 × 74,438.90
  4. Step 4: Simplify right side
    131,024.42x = 13,459,617,596.27
  5. Step 5: Solve for x
    x = 13,459,617,596.27/131,024.42
  6. Step 6: Final answer
    x = 102,726.02

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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.