Home / 160,819.12-221,748.52-102,598.14

Finding the Fourth Proportional to 160,819.12, 221,748.52 and 102,598.14

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Solution

The fourth proportional to 160,819.12, 221,748.52 and 102,598.14 is: 141,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,819.12 : 221,748.52 = 102,598.14 : x
  2. Step 2: Convert to fraction form
    160,819.12/221,748.52 = 102,598.14/x
  3. Step 3: Cross multiply
    160,819.12x = 221,748.52 × 102,598.14
  4. Step 4: Simplify right side
    160,819.12x = 22,750,985,699.75
  5. Step 5: Solve for x
    x = 22,750,985,699.75/160,819.12
  6. Step 6: Final answer
    x = 141,469.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.