Home / 107,475.30-148,304.10-62,146.40

Finding the Fourth Proportional to 107,475.30, 148,304.10 and 62,146.40

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Solution

The fourth proportional to 107,475.30, 148,304.10 and 62,146.40 is: 85,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,475.30 : 148,304.10 = 62,146.40 : x
  2. Step 2: Convert to fraction form
    107,475.30/148,304.10 = 62,146.40/x
  3. Step 3: Cross multiply
    107,475.30x = 148,304.10 × 62,146.40
  4. Step 4: Simplify right side
    107,475.30x = 9,216,565,920.24
  5. Step 5: Solve for x
    x = 9,216,565,920.24/107,475.30
  6. Step 6: Final answer
    x = 85,755.20

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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.