Home / 158,812.20-237,999.60-105,352.20

Finding the Fourth Proportional to 158,812.20, 237,999.60 and 105,352.20

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Solution

The fourth proportional to 158,812.20, 237,999.60 and 105,352.20 is: 157,883.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,812.20 : 237,999.60 = 105,352.20 : x
  2. Step 2: Convert to fraction form
    158,812.20/237,999.60 = 105,352.20/x
  3. Step 3: Cross multiply
    158,812.20x = 237,999.60 × 105,352.20
  4. Step 4: Simplify right side
    158,812.20x = 25,073,781,459.12
  5. Step 5: Solve for x
    x = 25,073,781,459.12/158,812.20
  6. Step 6: Final answer
    x = 157,883.22

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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.