Home / 129,275.19-193,875.12-50,370.66

Finding the Fourth Proportional to 129,275.19, 193,875.12 and 50,370.66

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Solution

The fourth proportional to 129,275.19, 193,875.12 and 50,370.66 is: 75,541.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,275.19 : 193,875.12 = 50,370.66 : x
  2. Step 2: Convert to fraction form
    129,275.19/193,875.12 = 50,370.66/x
  3. Step 3: Cross multiply
    129,275.19x = 193,875.12 × 50,370.66
  4. Step 4: Simplify right side
    129,275.19x = 9,765,617,751.98
  5. Step 5: Solve for x
    x = 9,765,617,751.98/129,275.19
  6. Step 6: Final answer
    x = 75,541.31

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1.5x scale

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.