Home / 136,814.47-205,253.31-43,320.22

Finding the Fourth Proportional to 136,814.47, 205,253.31 and 43,320.22

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Solution

The fourth proportional to 136,814.47, 205,253.31 and 43,320.22 is: 64,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,814.47 : 205,253.31 = 43,320.22 : x
  2. Step 2: Convert to fraction form
    136,814.47/205,253.31 = 43,320.22/x
  3. Step 3: Cross multiply
    136,814.47x = 205,253.31 × 43,320.22
  4. Step 4: Simplify right side
    136,814.47x = 8,891,618,544.93
  5. Step 5: Solve for x
    x = 8,891,618,544.93/136,814.47
  6. Step 6: Final answer
    x = 64,990.34

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1.5x scale

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.