Home / 99,834.04-149,772.54-28,756.18

Finding the Fourth Proportional to 99,834.04, 149,772.54 and 28,756.18

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Solution

The fourth proportional to 99,834.04, 149,772.54 and 28,756.18 is: 43,140.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,834.04 : 149,772.54 = 28,756.18 : x
  2. Step 2: Convert to fraction form
    99,834.04/149,772.54 = 28,756.18/x
  3. Step 3: Cross multiply
    99,834.04x = 149,772.54 × 28,756.18
  4. Step 4: Simplify right side
    99,834.04x = 4,306,886,119.30
  5. Step 5: Solve for x
    x = 4,306,886,119.30/99,834.04
  6. Step 6: Final answer
    x = 43,140.46

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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.