Home / 208,869.38-288,240.10-113,376.06

Finding the Fourth Proportional to 208,869.38, 288,240.10 and 113,376.06

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Solution

The fourth proportional to 208,869.38, 288,240.10 and 113,376.06 is: 156,459.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,869.38 : 288,240.10 = 113,376.06 : x
  2. Step 2: Convert to fraction form
    208,869.38/288,240.10 = 113,376.06/x
  3. Step 3: Cross multiply
    208,869.38x = 288,240.10 × 113,376.06
  4. Step 4: Simplify right side
    208,869.38x = 32,679,526,872.01
  5. Step 5: Solve for x
    x = 32,679,526,872.01/208,869.38
  6. Step 6: Final answer
    x = 156,459.16

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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.