Home / 127,356.35-190,862.19-48,427.52

Finding the Fourth Proportional to 127,356.35, 190,862.19 and 48,427.52

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Solution

The fourth proportional to 127,356.35, 190,862.19 and 48,427.52 is: 72,575.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,356.35 : 190,862.19 = 48,427.52 : x
  2. Step 2: Convert to fraction form
    127,356.35/190,862.19 = 48,427.52/x
  3. Step 3: Cross multiply
    127,356.35x = 190,862.19 × 48,427.52
  4. Step 4: Simplify right side
    127,356.35x = 9,242,981,569.16
  5. Step 5: Solve for x
    x = 9,242,981,569.16/127,356.35
  6. Step 6: Final answer
    x = 72,575.74

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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.