Home / 130,042.42-195,219.18-77,476.66

Finding the Fourth Proportional to 130,042.42, 195,219.18 and 77,476.66

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Solution

The fourth proportional to 130,042.42, 195,219.18 and 77,476.66 is: 116,307.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,042.42 : 195,219.18 = 77,476.66 : x
  2. Step 2: Convert to fraction form
    130,042.42/195,219.18 = 77,476.66/x
  3. Step 3: Cross multiply
    130,042.42x = 195,219.18 × 77,476.66
  4. Step 4: Simplify right side
    130,042.42x = 15,124,930,034.34
  5. Step 5: Solve for x
    x = 15,124,930,034.34/130,042.42
  6. Step 6: Final answer
    x = 116,307.66

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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.