Home / 121,899.52-182,849.28-51,729.63

Finding the Fourth Proportional to 121,899.52, 182,849.28 and 51,729.63

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Solution

The fourth proportional to 121,899.52, 182,849.28 and 51,729.63 is: 77,594.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,899.52 : 182,849.28 = 51,729.63 : x
  2. Step 2: Convert to fraction form
    121,899.52/182,849.28 = 51,729.63/x
  3. Step 3: Cross multiply
    121,899.52x = 182,849.28 × 51,729.63
  4. Step 4: Simplify right side
    121,899.52x = 9,458,725,600.17
  5. Step 5: Solve for x
    x = 9,458,725,600.17/121,899.52
  6. Step 6: Final answer
    x = 77,594.45

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1.5x scale

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.