Home / 102,545.40-153,818.10-62,974.20

Finding the Fourth Proportional to 102,545.40, 153,818.10 and 62,974.20

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Solution

The fourth proportional to 102,545.40, 153,818.10 and 62,974.20 is: 94,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,545.40 : 153,818.10 = 62,974.20 : x
  2. Step 2: Convert to fraction form
    102,545.40/153,818.10 = 62,974.20/x
  3. Step 3: Cross multiply
    102,545.40x = 153,818.10 × 62,974.20
  4. Step 4: Simplify right side
    102,545.40x = 9,686,571,793.02
  5. Step 5: Solve for x
    x = 9,686,571,793.02/102,545.40
  6. Step 6: Final answer
    x = 94,461.30

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1.5x scale

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.