Home / 101,237.90-151,856.85-53,998.70

Finding the Fourth Proportional to 101,237.90, 151,856.85 and 53,998.70

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Solution

The fourth proportional to 101,237.90, 151,856.85 and 53,998.70 is: 80,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,237.90 : 151,856.85 = 53,998.70 : x
  2. Step 2: Convert to fraction form
    101,237.90/151,856.85 = 53,998.70/x
  3. Step 3: Cross multiply
    101,237.90x = 151,856.85 × 53,998.70
  4. Step 4: Simplify right side
    101,237.90x = 8,200,072,486.10
  5. Step 5: Solve for x
    x = 8,200,072,486.10/101,237.90
  6. Step 6: Final answer
    x = 80,998.05

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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.