Home / 102,626.15-153,934.65-31,545.90

Finding the Fourth Proportional to 102,626.15, 153,934.65 and 31,545.90

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Solution

The fourth proportional to 102,626.15, 153,934.65 and 31,545.90 is: 47,317.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,626.15 : 153,934.65 = 31,545.90 : x
  2. Step 2: Convert to fraction form
    102,626.15/153,934.65 = 31,545.90/x
  3. Step 3: Cross multiply
    102,626.15x = 153,934.65 × 31,545.90
  4. Step 4: Simplify right side
    102,626.15x = 4,856,007,075.44
  5. Step 5: Solve for x
    x = 4,856,007,075.44/102,626.15
  6. Step 6: Final answer
    x = 47,317.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.