Home / 112,987.40-155,922.18-62,000.98

Finding the Fourth Proportional to 112,987.40, 155,922.18 and 62,000.98

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Solution

The fourth proportional to 112,987.40, 155,922.18 and 62,000.98 is: 85,561.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,987.40 : 155,922.18 = 62,000.98 : x
  2. Step 2: Convert to fraction form
    112,987.40/155,922.18 = 62,000.98/x
  3. Step 3: Cross multiply
    112,987.40x = 155,922.18 × 62,000.98
  4. Step 4: Simplify right side
    112,987.40x = 9,667,328,972.11
  5. Step 5: Solve for x
    x = 9,667,328,972.11/112,987.40
  6. Step 6: Final answer
    x = 85,561.12

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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.