Home / 155,387.40-233,253.90-96,289.80

Finding the Fourth Proportional to 155,387.40, 233,253.90 and 96,289.80

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Solution

The fourth proportional to 155,387.40, 233,253.90 and 96,289.80 is: 144,541.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,387.40 : 233,253.90 = 96,289.80 : x
  2. Step 2: Convert to fraction form
    155,387.40/233,253.90 = 96,289.80/x
  3. Step 3: Cross multiply
    155,387.40x = 233,253.90 × 96,289.80
  4. Step 4: Simplify right side
    155,387.40x = 22,459,971,380.22
  5. Step 5: Solve for x
    x = 22,459,971,380.22/155,387.40
  6. Step 6: Final answer
    x = 144,541.78

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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.