Home / 127,624.02-191,463.72-38,875.20

Finding the Fourth Proportional to 127,624.02, 191,463.72 and 38,875.20

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Solution

The fourth proportional to 127,624.02, 191,463.72 and 38,875.20 is: 58,321.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,624.02 : 191,463.72 = 38,875.20 : x
  2. Step 2: Convert to fraction form
    127,624.02/191,463.72 = 38,875.20/x
  3. Step 3: Cross multiply
    127,624.02x = 191,463.72 × 38,875.20
  4. Step 4: Simplify right side
    127,624.02x = 7,443,190,407.74
  5. Step 5: Solve for x
    x = 7,443,190,407.74/127,624.02
  6. Step 6: Final answer
    x = 58,321.23

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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.