Home / 148,818.76-205,312-84,273.18

Finding the Fourth Proportional to 148,818.76, 205,312 and 84,273.18

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Solution

The fourth proportional to 148,818.76, 205,312 and 84,273.18 is: 116,264.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,818.76 : 205,312 = 84,273.18 : x
  2. Step 2: Convert to fraction form
    148,818.76/205,312 = 84,273.18/x
  3. Step 3: Cross multiply
    148,818.76x = 205,312 × 84,273.18
  4. Step 4: Simplify right side
    148,818.76x = 17,302,295,132.16
  5. Step 5: Solve for x
    x = 17,302,295,132.16/148,818.76
  6. Step 6: Final answer
    x = 116,264.21

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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.