Home / 130,675.28-180,386.92-88,291.22

Finding the Fourth Proportional to 130,675.28, 180,386.92 and 88,291.22

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Solution

The fourth proportional to 130,675.28, 180,386.92 and 88,291.22 is: 121,879.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,675.28 : 180,386.92 = 88,291.22 : x
  2. Step 2: Convert to fraction form
    130,675.28/180,386.92 = 88,291.22/x
  3. Step 3: Cross multiply
    130,675.28x = 180,386.92 × 88,291.22
  4. Step 4: Simplify right side
    130,675.28x = 15,926,581,238.84
  5. Step 5: Solve for x
    x = 15,926,581,238.84/130,675.28
  6. Step 6: Final answer
    x = 121,879.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.