Home / 148,546.80-223,017.96-86,262

Finding the Fourth Proportional to 148,546.80, 223,017.96 and 86,262

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Solution

The fourth proportional to 148,546.80, 223,017.96 and 86,262 is: 129,507.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,546.80 : 223,017.96 = 86,262 : x
  2. Step 2: Convert to fraction form
    148,546.80/223,017.96 = 86,262/x
  3. Step 3: Cross multiply
    148,546.80x = 223,017.96 × 86,262
  4. Step 4: Simplify right side
    148,546.80x = 19,237,975,265.52
  5. Step 5: Solve for x
    x = 19,237,975,265.52/148,546.80
  6. Step 6: Final answer
    x = 129,507.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.