Home / 136,356.80-204,557.36-40,303.76

Finding the Fourth Proportional to 136,356.80, 204,557.36 and 40,303.76

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Solution

The fourth proportional to 136,356.80, 204,557.36 and 40,303.76 is: 60,462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,356.80 : 204,557.36 = 40,303.76 : x
  2. Step 2: Convert to fraction form
    136,356.80/204,557.36 = 40,303.76/x
  3. Step 3: Cross multiply
    136,356.80x = 204,557.36 × 40,303.76
  4. Step 4: Simplify right side
    136,356.80x = 8,244,431,053.55
  5. Step 5: Solve for x
    x = 8,244,431,053.55/136,356.80
  6. Step 6: Final answer
    x = 60,462.19

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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.