Home / 121,341.47-182,094.26-42,456.38

Finding the Fourth Proportional to 121,341.47, 182,094.26 and 42,456.38

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Solution

The fourth proportional to 121,341.47, 182,094.26 and 42,456.38 is: 63,713.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,341.47 : 182,094.26 = 42,456.38 : x
  2. Step 2: Convert to fraction form
    121,341.47/182,094.26 = 42,456.38/x
  3. Step 3: Cross multiply
    121,341.47x = 182,094.26 × 42,456.38
  4. Step 4: Simplify right side
    121,341.47x = 7,731,063,098.38
  5. Step 5: Solve for x
    x = 7,731,063,098.38/121,341.47
  6. Step 6: Final answer
    x = 63,713.28

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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.