Home / 98,799.68-148,154.70-42,613.24

Finding the Fourth Proportional to 98,799.68, 148,154.70 and 42,613.24

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Solution

The fourth proportional to 98,799.68, 148,154.70 and 42,613.24 is: 63,900.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,799.68 : 148,154.70 = 42,613.24 : x
  2. Step 2: Convert to fraction form
    98,799.68/148,154.70 = 42,613.24/x
  3. Step 3: Cross multiply
    98,799.68x = 148,154.70 × 42,613.24
  4. Step 4: Simplify right side
    98,799.68x = 6,313,351,788.23
  5. Step 5: Solve for x
    x = 6,313,351,788.23/98,799.68
  6. Step 6: Final answer
    x = 63,900.53

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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.