Home / 130,541.40-195,508.47-126,949.74

Finding the Fourth Proportional to 130,541.40, 195,508.47 and 126,949.74

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Solution

The fourth proportional to 130,541.40, 195,508.47 and 126,949.74 is: 190,129.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,541.40 : 195,508.47 = 126,949.74 : x
  2. Step 2: Convert to fraction form
    130,541.40/195,508.47 = 126,949.74/x
  3. Step 3: Cross multiply
    130,541.40x = 195,508.47 × 126,949.74
  4. Step 4: Simplify right side
    130,541.40x = 24,819,748,456.76
  5. Step 5: Solve for x
    x = 24,819,748,456.76/130,541.40
  6. Step 6: Final answer
    x = 190,129.33

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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.