Home / 92,672.61-137,816.73-89,720.16

Finding the Fourth Proportional to 92,672.61, 137,816.73 and 89,720.16

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Solution

The fourth proportional to 92,672.61, 137,816.73 and 89,720.16 is: 133,426.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,672.61 : 137,816.73 = 89,720.16 : x
  2. Step 2: Convert to fraction form
    92,672.61/137,816.73 = 89,720.16/x
  3. Step 3: Cross multiply
    92,672.61x = 137,816.73 × 89,720.16
  4. Step 4: Simplify right side
    92,672.61x = 12,364,939,066.28
  5. Step 5: Solve for x
    x = 12,364,939,066.28/92,672.61
  6. Step 6: Final answer
    x = 133,426.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.