Home / 74,173.92-102,359.97-42,342.18

Finding the Fourth Proportional to 74,173.92, 102,359.97 and 42,342.18

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Solution

The fourth proportional to 74,173.92, 102,359.97 and 42,342.18 is: 58,432.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,173.92 : 102,359.97 = 42,342.18 : x
  2. Step 2: Convert to fraction form
    74,173.92/102,359.97 = 42,342.18/x
  3. Step 3: Cross multiply
    74,173.92x = 102,359.97 × 42,342.18
  4. Step 4: Simplify right side
    74,173.92x = 4,334,144,274.53
  5. Step 5: Solve for x
    x = 4,334,144,274.53/74,173.92
  6. Step 6: Final answer
    x = 58,432.19

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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.