Home / 98,272.20-147,068.10-58,857.60

Finding the Fourth Proportional to 98,272.20, 147,068.10 and 58,857.60

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Solution

The fourth proportional to 98,272.20, 147,068.10 and 58,857.60 is: 88,082.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,272.20 : 147,068.10 = 58,857.60 : x
  2. Step 2: Convert to fraction form
    98,272.20/147,068.10 = 58,857.60/x
  3. Step 3: Cross multiply
    98,272.20x = 147,068.10 × 58,857.60
  4. Step 4: Simplify right side
    98,272.20x = 8,656,075,402.56
  5. Step 5: Solve for x
    x = 8,656,075,402.56/98,272.20
  6. Step 6: Final answer
    x = 88,082.65

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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.