Home / 134,762.74-185,948.13-83,788.90

Finding the Fourth Proportional to 134,762.74, 185,948.13 and 83,788.90

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Solution

The fourth proportional to 134,762.74, 185,948.13 and 83,788.90 is: 115,613.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,762.74 : 185,948.13 = 83,788.90 : x
  2. Step 2: Convert to fraction form
    134,762.74/185,948.13 = 83,788.90/x
  3. Step 3: Cross multiply
    134,762.74x = 185,948.13 × 83,788.90
  4. Step 4: Simplify right side
    134,762.74x = 15,580,389,269.76
  5. Step 5: Solve for x
    x = 15,580,389,269.76/134,762.74
  6. Step 6: Final answer
    x = 115,613.48

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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.