Home / 106,928.28-147,567.88-61,605.42

Finding the Fourth Proportional to 106,928.28, 147,567.88 and 61,605.42

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Solution

The fourth proportional to 106,928.28, 147,567.88 and 61,605.42 is: 85,019.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,928.28 : 147,567.88 = 61,605.42 : x
  2. Step 2: Convert to fraction form
    106,928.28/147,567.88 = 61,605.42/x
  3. Step 3: Cross multiply
    106,928.28x = 147,567.88 × 61,605.42
  4. Step 4: Simplify right side
    106,928.28x = 9,090,981,225.91
  5. Step 5: Solve for x
    x = 9,090,981,225.91/106,928.28
  6. Step 6: Final answer
    x = 85,019.43

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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.