Home / 124,280.52-171,452.55-83,979.60

Finding the Fourth Proportional to 124,280.52, 171,452.55 and 83,979.60

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Solution

The fourth proportional to 124,280.52, 171,452.55 and 83,979.60 is: 115,854.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,280.52 : 171,452.55 = 83,979.60 : x
  2. Step 2: Convert to fraction form
    124,280.52/171,452.55 = 83,979.60/x
  3. Step 3: Cross multiply
    124,280.52x = 171,452.55 × 83,979.60
  4. Step 4: Simplify right side
    124,280.52x = 14,398,516,567.98
  5. Step 5: Solve for x
    x = 14,398,516,567.98/124,280.52
  6. Step 6: Final answer
    x = 115,854.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.