Home / 121,561.74-182,422.62-42,673.86

Finding the Fourth Proportional to 121,561.74, 182,422.62 and 42,673.86

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Solution

The fourth proportional to 121,561.74, 182,422.62 and 42,673.86 is: 64,038.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,561.74 : 182,422.62 = 42,673.86 : x
  2. Step 2: Convert to fraction form
    121,561.74/182,422.62 = 42,673.86/x
  3. Step 3: Cross multiply
    121,561.74x = 182,422.62 × 42,673.86
  4. Step 4: Simplify right side
    121,561.74x = 7,784,677,346.71
  5. Step 5: Solve for x
    x = 7,784,677,346.71/121,561.74
  6. Step 6: Final answer
    x = 64,038.88

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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.