Home / 106,375.20-159,562.80-64,903.20

Finding the Fourth Proportional to 106,375.20, 159,562.80 and 64,903.20

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Solution

The fourth proportional to 106,375.20, 159,562.80 and 64,903.20 is: 97,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,375.20 : 159,562.80 = 64,903.20 : x
  2. Step 2: Convert to fraction form
    106,375.20/159,562.80 = 64,903.20/x
  3. Step 3: Cross multiply
    106,375.20x = 159,562.80 × 64,903.20
  4. Step 4: Simplify right side
    106,375.20x = 10,356,136,320.96
  5. Step 5: Solve for x
    x = 10,356,136,320.96/106,375.20
  6. Step 6: Final answer
    x = 97,354.80

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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.