Home / 173,478.28-260,040.18-98,440

Finding the Fourth Proportional to 173,478.28, 260,040.18 and 98,440

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Solution

The fourth proportional to 173,478.28, 260,040.18 and 98,440 is: 147,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,478.28 : 260,040.18 = 98,440 : x
  2. Step 2: Convert to fraction form
    173,478.28/260,040.18 = 98,440/x
  3. Step 3: Cross multiply
    173,478.28x = 260,040.18 × 98,440
  4. Step 4: Simplify right side
    173,478.28x = 25,598,355,319.20
  5. Step 5: Solve for x
    x = 25,598,355,319.20/173,478.28
  6. Step 6: Final answer
    x = 147,559.43

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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.