Home / 243,555.73-336,122.67-136,130.29

Finding the Fourth Proportional to 243,555.73, 336,122.67 and 136,130.29

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Solution

The fourth proportional to 243,555.73, 336,122.67 and 136,130.29 is: 187,868.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,555.73 : 336,122.67 = 136,130.29 : x
  2. Step 2: Convert to fraction form
    243,555.73/336,122.67 = 136,130.29/x
  3. Step 3: Cross multiply
    243,555.73x = 336,122.67 × 136,130.29
  4. Step 4: Simplify right side
    243,555.73x = 45,756,476,542.67
  5. Step 5: Solve for x
    x = 45,756,476,542.67/243,555.73
  6. Step 6: Final answer
    x = 187,868.61

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1.5x scale

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.