Home / 136,813.47-205,251.81-43,319.22

Finding the Fourth Proportional to 136,813.47, 205,251.81 and 43,319.22

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Solution

The fourth proportional to 136,813.47, 205,251.81 and 43,319.22 is: 64,988.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,813.47 : 205,251.81 = 43,319.22 : x
  2. Step 2: Convert to fraction form
    136,813.47/205,251.81 = 43,319.22/x
  3. Step 3: Cross multiply
    136,813.47x = 205,251.81 × 43,319.22
  4. Step 4: Simplify right side
    136,813.47x = 8,891,348,312.79
  5. Step 5: Solve for x
    x = 8,891,348,312.79/136,813.47
  6. Step 6: Final answer
    x = 64,988.84

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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.