Home / 243,541.80-336,085.56-136,110.60

Finding the Fourth Proportional to 243,541.80, 336,085.56 and 136,110.60

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Solution

The fourth proportional to 243,541.80, 336,085.56 and 136,110.60 is: 187,831.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,541.80 : 336,085.56 = 136,110.60 : x
  2. Step 2: Convert to fraction form
    243,541.80/336,085.56 = 136,110.60/x
  3. Step 3: Cross multiply
    243,541.80x = 336,085.56 × 136,110.60
  4. Step 4: Simplify right side
    243,541.80x = 45,744,807,222.94
  5. Step 5: Solve for x
    x = 45,744,807,222.94/243,541.80
  6. Step 6: Final answer
    x = 187,831.44

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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.