Home / 131,417.60-181,375.08-74,834.24

Finding the Fourth Proportional to 131,417.60, 181,375.08 and 74,834.24

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Solution

The fourth proportional to 131,417.60, 181,375.08 and 74,834.24 is: 103,281.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,417.60 : 181,375.08 = 74,834.24 : x
  2. Step 2: Convert to fraction form
    131,417.60/181,375.08 = 74,834.24/x
  3. Step 3: Cross multiply
    131,417.60x = 181,375.08 × 74,834.24
  4. Step 4: Simplify right side
    131,417.60x = 13,573,066,266.74
  5. Step 5: Solve for x
    x = 13,573,066,266.74/131,417.60
  6. Step 6: Final answer
    x = 103,281.95

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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.