Home / 106,442.40-159,663.60-97,840.80

Finding the Fourth Proportional to 106,442.40, 159,663.60 and 97,840.80

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Solution

The fourth proportional to 106,442.40, 159,663.60 and 97,840.80 is: 146,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,442.40 : 159,663.60 = 97,840.80 : x
  2. Step 2: Convert to fraction form
    106,442.40/159,663.60 = 97,840.80/x
  3. Step 3: Cross multiply
    106,442.40x = 159,663.60 × 97,840.80
  4. Step 4: Simplify right side
    106,442.40x = 15,621,614,354.88
  5. Step 5: Solve for x
    x = 15,621,614,354.88/106,442.40
  6. Step 6: Final answer
    x = 146,761.20

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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.