Home / 155,986.68-234,004.50-67,265.40

Finding the Fourth Proportional to 155,986.68, 234,004.50 and 67,265.40

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Solution

The fourth proportional to 155,986.68, 234,004.50 and 67,265.40 is: 100,908.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,986.68 : 234,004.50 = 67,265.40 : x
  2. Step 2: Convert to fraction form
    155,986.68/234,004.50 = 67,265.40/x
  3. Step 3: Cross multiply
    155,986.68x = 234,004.50 × 67,265.40
  4. Step 4: Simplify right side
    155,986.68x = 15,740,406,294.30
  5. Step 5: Solve for x
    x = 15,740,406,294.30/155,986.68
  6. Step 6: Final answer
    x = 100,908.66

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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.