Home / 94,148.64-129,787.92-67,243.68

Finding the Fourth Proportional to 94,148.64, 129,787.92 and 67,243.68

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Solution

The fourth proportional to 94,148.64, 129,787.92 and 67,243.68 is: 92,698.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,148.64 : 129,787.92 = 67,243.68 : x
  2. Step 2: Convert to fraction form
    94,148.64/129,787.92 = 67,243.68/x
  3. Step 3: Cross multiply
    94,148.64x = 129,787.92 × 67,243.68
  4. Step 4: Simplify right side
    94,148.64x = 8,727,417,360.35
  5. Step 5: Solve for x
    x = 8,727,417,360.35/94,148.64
  6. Step 6: Final answer
    x = 92,698.28

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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.