Home / 147,328.20-220,862.70-88,187.40

Finding the Fourth Proportional to 147,328.20, 220,862.70 and 88,187.40

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Solution

The fourth proportional to 147,328.20, 220,862.70 and 88,187.40 is: 132,203.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,328.20 : 220,862.70 = 88,187.40 : x
  2. Step 2: Convert to fraction form
    147,328.20/220,862.70 = 88,187.40/x
  3. Step 3: Cross multiply
    147,328.20x = 220,862.70 × 88,187.40
  4. Step 4: Simplify right side
    147,328.20x = 19,477,307,269.98
  5. Step 5: Solve for x
    x = 19,477,307,269.98/147,328.20
  6. Step 6: Final answer
    x = 132,203.52

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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.