Home / 169,925.76-234,152.01-131,451.66

Finding the Fourth Proportional to 169,925.76, 234,152.01 and 131,451.66

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Solution

The fourth proportional to 169,925.76, 234,152.01 and 131,451.66 is: 181,135.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,925.76 : 234,152.01 = 131,451.66 : x
  2. Step 2: Convert to fraction form
    169,925.76/234,152.01 = 131,451.66/x
  3. Step 3: Cross multiply
    169,925.76x = 234,152.01 × 131,451.66
  4. Step 4: Simplify right side
    169,925.76x = 30,779,670,406.84
  5. Step 5: Solve for x
    x = 30,779,670,406.84/169,925.76
  6. Step 6: Final answer
    x = 181,135.99

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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.