Home / 137,792.48-206,355.20-70,146.95

Finding the Fourth Proportional to 137,792.48, 206,355.20 and 70,146.95

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Solution

The fourth proportional to 137,792.48, 206,355.20 and 70,146.95 is: 105,050.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,792.48 : 206,355.20 = 70,146.95 : x
  2. Step 2: Convert to fraction form
    137,792.48/206,355.20 = 70,146.95/x
  3. Step 3: Cross multiply
    137,792.48x = 206,355.20 × 70,146.95
  4. Step 4: Simplify right side
    137,792.48x = 14,475,186,514.13
  5. Step 5: Solve for x
    x = 14,475,186,514.13/137,792.48
  6. Step 6: Final answer
    x = 105,050.63

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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.