Home / 102,014.60-152,912.55-38,810.30

Finding the Fourth Proportional to 102,014.60, 152,912.55 and 38,810.30

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Solution

The fourth proportional to 102,014.60, 152,912.55 and 38,810.30 is: 58,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,014.60 : 152,912.55 = 38,810.30 : x
  2. Step 2: Convert to fraction form
    102,014.60/152,912.55 = 38,810.30/x
  3. Step 3: Cross multiply
    102,014.60x = 152,912.55 × 38,810.30
  4. Step 4: Simplify right side
    102,014.60x = 5,934,581,939.27
  5. Step 5: Solve for x
    x = 5,934,581,939.27/102,014.60
  6. Step 6: Final answer
    x = 58,173.85

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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.