Home / 127,127.56-190,722.17-38,375.76

Finding the Fourth Proportional to 127,127.56, 190,722.17 and 38,375.76

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Solution

The fourth proportional to 127,127.56, 190,722.17 and 38,375.76 is: 57,572.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,127.56 : 190,722.17 = 38,375.76 : x
  2. Step 2: Convert to fraction form
    127,127.56/190,722.17 = 38,375.76/x
  3. Step 3: Cross multiply
    127,127.56x = 190,722.17 × 38,375.76
  4. Step 4: Simplify right side
    127,127.56x = 7,319,108,030.72
  5. Step 5: Solve for x
    x = 7,319,108,030.72/127,127.56
  6. Step 6: Final answer
    x = 57,572.95

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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.