Home / 121,358.55-182,256.53-117,421.95

Finding the Fourth Proportional to 121,358.55, 182,256.53 and 117,421.95

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Solution

The fourth proportional to 121,358.55, 182,256.53 and 117,421.95 is: 176,344.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,358.55 : 182,256.53 = 117,421.95 : x
  2. Step 2: Convert to fraction form
    121,358.55/182,256.53 = 117,421.95/x
  3. Step 3: Cross multiply
    121,358.55x = 182,256.53 × 117,421.95
  4. Step 4: Simplify right side
    121,358.55x = 21,400,916,565.72
  5. Step 5: Solve for x
    x = 21,400,916,565.72/121,358.55
  6. Step 6: Final answer
    x = 176,344.53

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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.