Home / 155,419.71-233,129.55-102,816.89

Finding the Fourth Proportional to 155,419.71, 233,129.55 and 102,816.89

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Solution

The fourth proportional to 155,419.71, 233,129.55 and 102,816.89 is: 154,225.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,419.71 : 233,129.55 = 102,816.89 : x
  2. Step 2: Convert to fraction form
    155,419.71/233,129.55 = 102,816.89/x
  3. Step 3: Cross multiply
    155,419.71x = 233,129.55 × 102,816.89
  4. Step 4: Simplify right side
    155,419.71x = 23,969,654,132.45
  5. Step 5: Solve for x
    x = 23,969,654,132.45/155,419.71
  6. Step 6: Final answer
    x = 154,225.32

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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.