Home / 99,028.20-148,674.14-57,505

Finding the Fourth Proportional to 99,028.20, 148,674.14 and 57,505

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Solution

The fourth proportional to 99,028.20, 148,674.14 and 57,505 is: 86,334.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,028.20 : 148,674.14 = 57,505 : x
  2. Step 2: Convert to fraction form
    99,028.20/148,674.14 = 57,505/x
  3. Step 3: Cross multiply
    99,028.20x = 148,674.14 × 57,505
  4. Step 4: Simplify right side
    99,028.20x = 8,549,506,420.70
  5. Step 5: Solve for x
    x = 8,549,506,420.70/99,028.20
  6. Step 6: Final answer
    x = 86,334.06

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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.