Home / 218,881.52-302,076.29-132,862.40

Finding the Fourth Proportional to 218,881.52, 302,076.29 and 132,862.40

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Solution

The fourth proportional to 218,881.52, 302,076.29 and 132,862.40 is: 183,362.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,881.52 : 302,076.29 = 132,862.40 : x
  2. Step 2: Convert to fraction form
    218,881.52/302,076.29 = 132,862.40/x
  3. Step 3: Cross multiply
    218,881.52x = 302,076.29 × 132,862.40
  4. Step 4: Simplify right side
    218,881.52x = 40,134,580,872.50
  5. Step 5: Solve for x
    x = 40,134,580,872.50/218,881.52
  6. Step 6: Final answer
    x = 183,362.13

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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.