Home / 131,362.50-181,280.46-74,773.88

Finding the Fourth Proportional to 131,362.50, 181,280.46 and 74,773.88

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Solution

The fourth proportional to 131,362.50, 181,280.46 and 74,773.88 is: 103,188.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,362.50 : 181,280.46 = 74,773.88 : x
  2. Step 2: Convert to fraction form
    131,362.50/181,280.46 = 74,773.88/x
  3. Step 3: Cross multiply
    131,362.50x = 181,280.46 × 74,773.88
  4. Step 4: Simplify right side
    131,362.50x = 13,555,043,362.38
  5. Step 5: Solve for x
    x = 13,555,043,362.38/131,362.50
  6. Step 6: Final answer
    x = 103,188.07

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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.