Home / 155,402.43-233,103.78-66,598.35

Finding the Fourth Proportional to 155,402.43, 233,103.78 and 66,598.35

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Solution

The fourth proportional to 155,402.43, 233,103.78 and 66,598.35 is: 99,897.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,402.43 : 233,103.78 = 66,598.35 : x
  2. Step 2: Convert to fraction form
    155,402.43/233,103.78 = 66,598.35/x
  3. Step 3: Cross multiply
    155,402.43x = 233,103.78 × 66,598.35
  4. Step 4: Simplify right side
    155,402.43x = 15,524,327,126.76
  5. Step 5: Solve for x
    x = 15,524,327,126.76/155,402.43
  6. Step 6: Final answer
    x = 99,897.58

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1.5x scale

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.