Home / 243,868.95-336,552.22-136,432.57

Finding the Fourth Proportional to 243,868.95, 336,552.22 and 136,432.57

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Solution

The fourth proportional to 243,868.95, 336,552.22 and 136,432.57 is: 188,284.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,868.95 : 336,552.22 = 136,432.57 : x
  2. Step 2: Convert to fraction form
    243,868.95/336,552.22 = 136,432.57/x
  3. Step 3: Cross multiply
    243,868.95x = 336,552.22 × 136,432.57
  4. Step 4: Simplify right side
    243,868.95x = 45,916,684,313.81
  5. Step 5: Solve for x
    x = 45,916,684,313.81/243,868.95
  6. Step 6: Final answer
    x = 188,284.26

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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.