Home / 237,378.50-327,588.10-129,948.20

Finding the Fourth Proportional to 237,378.50, 327,588.10 and 129,948.20

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Solution

The fourth proportional to 237,378.50, 327,588.10 and 129,948.20 is: 179,331.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,378.50 : 327,588.10 = 129,948.20 : x
  2. Step 2: Convert to fraction form
    237,378.50/327,588.10 = 129,948.20/x
  3. Step 3: Cross multiply
    237,378.50x = 327,588.10 × 129,948.20
  4. Step 4: Simplify right side
    237,378.50x = 42,569,483,202.06
  5. Step 5: Solve for x
    x = 42,569,483,202.06/237,378.50
  6. Step 6: Final answer
    x = 179,331.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.