Home / 148,770.04-205,302.62-81,702.04

Finding the Fourth Proportional to 148,770.04, 205,302.62 and 81,702.04

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Solution

The fourth proportional to 148,770.04, 205,302.62 and 81,702.04 is: 112,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,770.04 : 205,302.62 = 81,702.04 : x
  2. Step 2: Convert to fraction form
    148,770.04/205,302.62 = 81,702.04/x
  3. Step 3: Cross multiply
    148,770.04x = 205,302.62 × 81,702.04
  4. Step 4: Simplify right side
    148,770.04x = 16,773,642,871.34
  5. Step 5: Solve for x
    x = 16,773,642,871.34/148,770.04
  6. Step 6: Final answer
    x = 112,748.80

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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.