Home / 147,386.43-221,126.36-52,614.56

Finding the Fourth Proportional to 147,386.43, 221,126.36 and 52,614.56

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Solution

The fourth proportional to 147,386.43, 221,126.36 and 52,614.56 is: 78,938.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,386.43 : 221,126.36 = 52,614.56 : x
  2. Step 2: Convert to fraction form
    147,386.43/221,126.36 = 52,614.56/x
  3. Step 3: Cross multiply
    147,386.43x = 221,126.36 × 52,614.56
  4. Step 4: Simplify right side
    147,386.43x = 11,634,466,425.54
  5. Step 5: Solve for x
    x = 11,634,466,425.54/147,386.43
  6. Step 6: Final answer
    x = 78,938.52

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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.