Home / 129,477.29-194,160.24-45,212.18

Finding the Fourth Proportional to 129,477.29, 194,160.24 and 45,212.18

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Solution

The fourth proportional to 129,477.29, 194,160.24 and 45,212.18 is: 67,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,477.29 : 194,160.24 = 45,212.18 : x
  2. Step 2: Convert to fraction form
    129,477.29/194,160.24 = 45,212.18/x
  3. Step 3: Cross multiply
    129,477.29x = 194,160.24 × 45,212.18
  4. Step 4: Simplify right side
    129,477.29x = 8,778,406,748.92
  5. Step 5: Solve for x
    x = 8,778,406,748.92/129,477.29
  6. Step 6: Final answer
    x = 67,798.82

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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.