Home / 147,897.80-221,555.10-88,557.20

Finding the Fourth Proportional to 147,897.80, 221,555.10 and 88,557.20

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Solution

The fourth proportional to 147,897.80, 221,555.10 and 88,557.20 is: 132,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,897.80 : 221,555.10 = 88,557.20 : x
  2. Step 2: Convert to fraction form
    147,897.80/221,555.10 = 88,557.20/x
  3. Step 3: Cross multiply
    147,897.80x = 221,555.10 × 88,557.20
  4. Step 4: Simplify right side
    147,897.80x = 19,620,299,301.72
  5. Step 5: Solve for x
    x = 19,620,299,301.72/147,897.80
  6. Step 6: Final answer
    x = 132,661.20

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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.