Home / 142,613.76-213,949.20-52,657.02

Finding the Fourth Proportional to 142,613.76, 213,949.20 and 52,657.02

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Solution

The fourth proportional to 142,613.76, 213,949.20 and 52,657.02 is: 78,996.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,613.76 : 213,949.20 = 52,657.02 : x
  2. Step 2: Convert to fraction form
    142,613.76/213,949.20 = 52,657.02/x
  3. Step 3: Cross multiply
    142,613.76x = 213,949.20 × 52,657.02
  4. Step 4: Simplify right side
    142,613.76x = 11,265,927,303.38
  5. Step 5: Solve for x
    x = 11,265,927,303.38/142,613.76
  6. Step 6: Final answer
    x = 78,996.08

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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.