Home / 252,120.02-347,925.69-137,398.71

Finding the Fourth Proportional to 252,120.02, 347,925.69 and 137,398.71

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Solution

The fourth proportional to 252,120.02, 347,925.69 and 137,398.71 is: 189,610.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,120.02 : 347,925.69 = 137,398.71 : x
  2. Step 2: Convert to fraction form
    252,120.02/347,925.69 = 137,398.71/x
  3. Step 3: Cross multiply
    252,120.02x = 347,925.69 × 137,398.71
  4. Step 4: Simplify right side
    252,120.02x = 47,804,540,981.86
  5. Step 5: Solve for x
    x = 47,804,540,981.86/252,120.02
  6. Step 6: Final answer
    x = 189,610.25

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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.