Home / 145,974.11-201,444.42-85,532.72

Finding the Fourth Proportional to 145,974.11, 201,444.42 and 85,532.72

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Solution

The fourth proportional to 145,974.11, 201,444.42 and 85,532.72 is: 118,035.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,974.11 : 201,444.42 = 85,532.72 : x
  2. Step 2: Convert to fraction form
    145,974.11/201,444.42 = 85,532.72/x
  3. Step 3: Cross multiply
    145,974.11x = 201,444.42 × 85,532.72
  4. Step 4: Simplify right side
    145,974.11x = 17,230,088,164.20
  5. Step 5: Solve for x
    x = 17,230,088,164.20/145,974.11
  6. Step 6: Final answer
    x = 118,035.24

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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.