Home / 126,815.13-190,254.29-38,070.27

Finding the Fourth Proportional to 126,815.13, 190,254.29 and 38,070.27

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Solution

The fourth proportional to 126,815.13, 190,254.29 and 38,070.27 is: 57,114.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,815.13 : 190,254.29 = 38,070.27 : x
  2. Step 2: Convert to fraction form
    126,815.13/190,254.29 = 38,070.27/x
  3. Step 3: Cross multiply
    126,815.13x = 190,254.29 × 38,070.27
  4. Step 4: Simplify right side
    126,815.13x = 7,243,031,998.61
  5. Step 5: Solve for x
    x = 7,243,031,998.61/126,815.13
  6. Step 6: Final answer
    x = 57,114.89

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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.