Home / 129,130.65-193,585.04-44,879.87

Finding the Fourth Proportional to 129,130.65, 193,585.04 and 44,879.87

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Solution

The fourth proportional to 129,130.65, 193,585.04 and 44,879.87 is: 67,281.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,130.65 : 193,585.04 = 44,879.87 : x
  2. Step 2: Convert to fraction form
    129,130.65/193,585.04 = 44,879.87/x
  3. Step 3: Cross multiply
    129,130.65x = 193,585.04 × 44,879.87
  4. Step 4: Simplify right side
    129,130.65x = 8,688,071,429.14
  5. Step 5: Solve for x
    x = 8,688,071,429.14/129,130.65
  6. Step 6: Final answer
    x = 67,281.25

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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.