Home / 99,890.04-149,722.02-40,651.32

Finding the Fourth Proportional to 99,890.04, 149,722.02 and 40,651.32

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Solution

The fourth proportional to 99,890.04, 149,722.02 and 40,651.32 is: 60,930.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,890.04 : 149,722.02 = 40,651.32 : x
  2. Step 2: Convert to fraction form
    99,890.04/149,722.02 = 40,651.32/x
  3. Step 3: Cross multiply
    99,890.04x = 149,722.02 × 40,651.32
  4. Step 4: Simplify right side
    99,890.04x = 6,086,397,746.07
  5. Step 5: Solve for x
    x = 6,086,397,746.07/99,890.04
  6. Step 6: Final answer
    x = 60,930.98

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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.