Home / 134,139.64-201,084.39-45,331.04

Finding the Fourth Proportional to 134,139.64, 201,084.39 and 45,331.04

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Solution

The fourth proportional to 134,139.64, 201,084.39 and 45,331.04 is: 67,954.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,139.64 : 201,084.39 = 45,331.04 : x
  2. Step 2: Convert to fraction form
    134,139.64/201,084.39 = 45,331.04/x
  3. Step 3: Cross multiply
    134,139.64x = 201,084.39 × 45,331.04
  4. Step 4: Simplify right side
    134,139.64x = 9,115,364,526.47
  5. Step 5: Solve for x
    x = 9,115,364,526.47/134,139.64
  6. Step 6: Final answer
    x = 67,954.29

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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.