Home / 119,527.28-179,233.74-69,621.60

Finding the Fourth Proportional to 119,527.28, 179,233.74 and 69,621.60

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Solution

The fourth proportional to 119,527.28, 179,233.74 and 69,621.60 is: 104,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,527.28 : 179,233.74 = 69,621.60 : x
  2. Step 2: Convert to fraction form
    119,527.28/179,233.74 = 69,621.60/x
  3. Step 3: Cross multiply
    119,527.28x = 179,233.74 × 69,621.60
  4. Step 4: Simplify right side
    119,527.28x = 12,478,539,752.78
  5. Step 5: Solve for x
    x = 12,478,539,752.78/119,527.28
  6. Step 6: Final answer
    x = 104,399.10

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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.