Home / 127,497.24-191,070.90-80,666.28

Finding the Fourth Proportional to 127,497.24, 191,070.90 and 80,666.28

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Solution

The fourth proportional to 127,497.24, 191,070.90 and 80,666.28 is: 120,888.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,497.24 : 191,070.90 = 80,666.28 : x
  2. Step 2: Convert to fraction form
    127,497.24/191,070.90 = 80,666.28/x
  3. Step 3: Cross multiply
    127,497.24x = 191,070.90 × 80,666.28
  4. Step 4: Simplify right side
    127,497.24x = 15,412,978,719.25
  5. Step 5: Solve for x
    x = 15,412,978,719.25/127,497.24
  6. Step 6: Final answer
    x = 120,888.72

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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.