Home / 159,670.04-220,340.55-88,045.38

Finding the Fourth Proportional to 159,670.04, 220,340.55 and 88,045.38

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Solution

The fourth proportional to 159,670.04, 220,340.55 and 88,045.38 is: 121,500.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,670.04 : 220,340.55 = 88,045.38 : x
  2. Step 2: Convert to fraction form
    159,670.04/220,340.55 = 88,045.38/x
  3. Step 3: Cross multiply
    159,670.04x = 220,340.55 × 88,045.38
  4. Step 4: Simplify right side
    159,670.04x = 19,399,967,784.33
  5. Step 5: Solve for x
    x = 19,399,967,784.33/159,670.04
  6. Step 6: Final answer
    x = 121,500.37

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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.