Home / 146,151.15-201,722.28-85,741.20

Finding the Fourth Proportional to 146,151.15, 201,722.28 and 85,741.20

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Solution

The fourth proportional to 146,151.15, 201,722.28 and 85,741.20 is: 118,342.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,151.15 : 201,722.28 = 85,741.20 : x
  2. Step 2: Convert to fraction form
    146,151.15/201,722.28 = 85,741.20/x
  3. Step 3: Cross multiply
    146,151.15x = 201,722.28 × 85,741.20
  4. Step 4: Simplify right side
    146,151.15x = 17,295,910,353.94
  5. Step 5: Solve for x
    x = 17,295,910,353.94/146,151.15
  6. Step 6: Final answer
    x = 118,342.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.