Home / 147,955-221,988.40-88,831.92

Finding the Fourth Proportional to 147,955, 221,988.40 and 88,831.92

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Solution

The fourth proportional to 147,955, 221,988.40 and 88,831.92 is: 133,281.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,955 : 221,988.40 = 88,831.92 : x
  2. Step 2: Convert to fraction form
    147,955/221,988.40 = 88,831.92/x
  3. Step 3: Cross multiply
    147,955x = 221,988.40 × 88,831.92
  4. Step 4: Simplify right side
    147,955x = 19,719,655,789.73
  5. Step 5: Solve for x
    x = 19,719,655,789.73/147,955
  6. Step 6: Final answer
    x = 133,281.44

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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.