Home / 121,925.20-182,887.80-38,827.60

Finding the Fourth Proportional to 121,925.20, 182,887.80 and 38,827.60

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Solution

The fourth proportional to 121,925.20, 182,887.80 and 38,827.60 is: 58,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,925.20 : 182,887.80 = 38,827.60 : x
  2. Step 2: Convert to fraction form
    121,925.20/182,887.80 = 38,827.60/x
  3. Step 3: Cross multiply
    121,925.20x = 182,887.80 × 38,827.60
  4. Step 4: Simplify right side
    121,925.20x = 7,101,094,343.28
  5. Step 5: Solve for x
    x = 7,101,094,343.28/121,925.20
  6. Step 6: Final answer
    x = 58,241.40

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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.