Home / 99,830.04-149,766.54-28,752.18

Finding the Fourth Proportional to 99,830.04, 149,766.54 and 28,752.18

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Solution

The fourth proportional to 99,830.04, 149,766.54 and 28,752.18 is: 43,134.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,830.04 : 149,766.54 = 28,752.18 : x
  2. Step 2: Convert to fraction form
    99,830.04/149,766.54 = 28,752.18/x
  3. Step 3: Cross multiply
    99,830.04x = 149,766.54 × 28,752.18
  4. Step 4: Simplify right side
    99,830.04x = 4,306,114,516.06
  5. Step 5: Solve for x
    x = 4,306,114,516.06/99,830.04
  6. Step 6: Final answer
    x = 43,134.46

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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.