Home / 121,304.17-181,832.32-42,353.47

Finding the Fourth Proportional to 121,304.17, 181,832.32 and 42,353.47

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Solution

The fourth proportional to 121,304.17, 181,832.32 and 42,353.47 is: 63,486.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,304.17 : 181,832.32 = 42,353.47 : x
  2. Step 2: Convert to fraction form
    121,304.17/181,832.32 = 42,353.47/x
  3. Step 3: Cross multiply
    121,304.17x = 181,832.32 × 42,353.47
  4. Step 4: Simplify right side
    121,304.17x = 7,701,229,710.15
  5. Step 5: Solve for x
    x = 7,701,229,710.15/121,304.17
  6. Step 6: Final answer
    x = 63,486.93

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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.