Home / 155,150.70-232,726.05-139,404.30

Finding the Fourth Proportional to 155,150.70, 232,726.05 and 139,404.30

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Solution

The fourth proportional to 155,150.70, 232,726.05 and 139,404.30 is: 209,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,150.70 : 232,726.05 = 139,404.30 : x
  2. Step 2: Convert to fraction form
    155,150.70/232,726.05 = 139,404.30/x
  3. Step 3: Cross multiply
    155,150.70x = 232,726.05 × 139,404.30
  4. Step 4: Simplify right side
    155,150.70x = 32,443,012,092.02
  5. Step 5: Solve for x
    x = 32,443,012,092.02/155,150.70
  6. Step 6: Final answer
    x = 209,106.45

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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.