Home / 155,902.40-233,892-45,105.60

Finding the Fourth Proportional to 155,902.40, 233,892 and 45,105.60

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Solution

The fourth proportional to 155,902.40, 233,892 and 45,105.60 is: 67,669.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,902.40 : 233,892 = 45,105.60 : x
  2. Step 2: Convert to fraction form
    155,902.40/233,892 = 45,105.60/x
  3. Step 3: Cross multiply
    155,902.40x = 233,892 × 45,105.60
  4. Step 4: Simplify right side
    155,902.40x = 10,549,838,995.20
  5. Step 5: Solve for x
    x = 10,549,838,995.20/155,902.40
  6. Step 6: Final answer
    x = 67,669.51

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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.