Home / 86,925.90-119,839.96-74,314.55

Finding the Fourth Proportional to 86,925.90, 119,839.96 and 74,314.55

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Solution

The fourth proportional to 86,925.90, 119,839.96 and 74,314.55 is: 102,453.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,925.90 : 119,839.96 = 74,314.55 : x
  2. Step 2: Convert to fraction form
    86,925.90/119,839.96 = 74,314.55/x
  3. Step 3: Cross multiply
    86,925.90x = 119,839.96 × 74,314.55
  4. Step 4: Simplify right side
    86,925.90x = 8,905,852,505.37
  5. Step 5: Solve for x
    x = 8,905,852,505.37/86,925.90
  6. Step 6: Final answer
    x = 102,453.39

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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.