Home / 243,868.45-336,551.53-136,432.07

Finding the Fourth Proportional to 243,868.45, 336,551.53 and 136,432.07

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Solution

The fourth proportional to 243,868.45, 336,551.53 and 136,432.07 is: 188,283.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,868.45 : 336,551.53 = 136,432.07 : x
  2. Step 2: Convert to fraction form
    243,868.45/336,551.53 = 136,432.07/x
  3. Step 3: Cross multiply
    243,868.45x = 336,551.53 × 136,432.07
  4. Step 4: Simplify right side
    243,868.45x = 45,916,421,899.57
  5. Step 5: Solve for x
    x = 45,916,421,899.57/243,868.45
  6. Step 6: Final answer
    x = 188,283.57

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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.