Home / 117,589.28-162,264.84-66,607.16

Finding the Fourth Proportional to 117,589.28, 162,264.84 and 66,607.16

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Solution

The fourth proportional to 117,589.28, 162,264.84 and 66,607.16 is: 91,913.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,589.28 : 162,264.84 = 66,607.16 : x
  2. Step 2: Convert to fraction form
    117,589.28/162,264.84 = 66,607.16/x
  3. Step 3: Cross multiply
    117,589.28x = 162,264.84 × 66,607.16
  4. Step 4: Simplify right side
    117,589.28x = 10,808,000,160.25
  5. Step 5: Solve for x
    x = 10,808,000,160.25/117,589.28
  6. Step 6: Final answer
    x = 91,913.14

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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.