Home / 130,984.25-180,758.27-71,368.25

Finding the Fourth Proportional to 130,984.25, 180,758.27 and 71,368.25

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Solution

The fourth proportional to 130,984.25, 180,758.27 and 71,368.25 is: 98,488.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,984.25 : 180,758.27 = 71,368.25 : x
  2. Step 2: Convert to fraction form
    130,984.25/180,758.27 = 71,368.25/x
  3. Step 3: Cross multiply
    130,984.25x = 180,758.27 × 71,368.25
  4. Step 4: Simplify right side
    130,984.25x = 12,900,401,046.09
  5. Step 5: Solve for x
    x = 12,900,401,046.09/130,984.25
  6. Step 6: Final answer
    x = 98,488.19

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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.