Home / 129,095.65-193,655.40-50,215.87

Finding the Fourth Proportional to 129,095.65, 193,655.40 and 50,215.87

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Solution

The fourth proportional to 129,095.65, 193,655.40 and 50,215.87 is: 75,328.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,095.65 : 193,655.40 = 50,215.87 : x
  2. Step 2: Convert to fraction form
    129,095.65/193,655.40 = 50,215.87/x
  3. Step 3: Cross multiply
    129,095.65x = 193,655.40 × 50,215.87
  4. Step 4: Simplify right side
    129,095.65x = 9,724,574,391.20
  5. Step 5: Solve for x
    x = 9,724,574,391.20/129,095.65
  6. Step 6: Final answer
    x = 75,328.44

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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.