Home / 155,154.13-214,112.90-88,086.13

Finding the Fourth Proportional to 155,154.13, 214,112.90 and 88,086.13

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Solution

The fourth proportional to 155,154.13, 214,112.90 and 88,086.13 is: 121,558.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,154.13 : 214,112.90 = 88,086.13 : x
  2. Step 2: Convert to fraction form
    155,154.13/214,112.90 = 88,086.13/x
  3. Step 3: Cross multiply
    155,154.13x = 214,112.90 × 88,086.13
  4. Step 4: Simplify right side
    155,154.13x = 18,860,376,744.08
  5. Step 5: Solve for x
    x = 18,860,376,744.08/155,154.13
  6. Step 6: Final answer
    x = 121,558.97

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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.