Home / 155,442.04-214,505.22-87,462.82

Finding the Fourth Proportional to 155,442.04, 214,505.22 and 87,462.82

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Solution

The fourth proportional to 155,442.04, 214,505.22 and 87,462.82 is: 120,695.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,442.04 : 214,505.22 = 87,462.82 : x
  2. Step 2: Convert to fraction form
    155,442.04/214,505.22 = 87,462.82/x
  3. Step 3: Cross multiply
    155,442.04x = 214,505.22 × 87,462.82
  4. Step 4: Simplify right side
    155,442.04x = 18,761,231,445.92
  5. Step 5: Solve for x
    x = 18,761,231,445.92/155,442.04
  6. Step 6: Final answer
    x = 120,695.99

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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.