Home / 97,330.20-145,995.30-77,647.20

Finding the Fourth Proportional to 97,330.20, 145,995.30 and 77,647.20

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Solution

The fourth proportional to 97,330.20, 145,995.30 and 77,647.20 is: 116,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,330.20 : 145,995.30 = 77,647.20 : x
  2. Step 2: Convert to fraction form
    97,330.20/145,995.30 = 77,647.20/x
  3. Step 3: Cross multiply
    97,330.20x = 145,995.30 × 77,647.20
  4. Step 4: Simplify right side
    97,330.20x = 11,336,126,258.16
  5. Step 5: Solve for x
    x = 11,336,126,258.16/97,330.20
  6. Step 6: Final answer
    x = 116,470.80

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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.