Home / 208,358.24-287,535.72-112,864.90

Finding the Fourth Proportional to 208,358.24, 287,535.72 and 112,864.90

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Solution

The fourth proportional to 208,358.24, 287,535.72 and 112,864.90 is: 155,754.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,358.24 : 287,535.72 = 112,864.90 : x
  2. Step 2: Convert to fraction form
    208,358.24/287,535.72 = 112,864.90/x
  3. Step 3: Cross multiply
    208,358.24x = 287,535.72 × 112,864.90
  4. Step 4: Simplify right side
    208,358.24x = 32,452,690,284.23
  5. Step 5: Solve for x
    x = 32,452,690,284.23/208,358.24
  6. Step 6: Final answer
    x = 155,754.29

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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.