Home / 134,115.40-201,173.10-89,792.20

Finding the Fourth Proportional to 134,115.40, 201,173.10 and 89,792.20

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Solution

The fourth proportional to 134,115.40, 201,173.10 and 89,792.20 is: 134,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,115.40 : 201,173.10 = 89,792.20 : x
  2. Step 2: Convert to fraction form
    134,115.40/201,173.10 = 89,792.20/x
  3. Step 3: Cross multiply
    134,115.40x = 201,173.10 × 89,792.20
  4. Step 4: Simplify right side
    134,115.40x = 18,063,775,229.82
  5. Step 5: Solve for x
    x = 18,063,775,229.82/134,115.40
  6. Step 6: Final answer
    x = 134,688.30

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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.