Home / 134,141.40-201,212.10-89,818.20

Finding the Fourth Proportional to 134,141.40, 201,212.10 and 89,818.20

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Solution

The fourth proportional to 134,141.40, 201,212.10 and 89,818.20 is: 134,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,141.40 : 201,212.10 = 89,818.20 : x
  2. Step 2: Convert to fraction form
    134,141.40/201,212.10 = 89,818.20/x
  3. Step 3: Cross multiply
    134,141.40x = 201,212.10 × 89,818.20
  4. Step 4: Simplify right side
    134,141.40x = 18,072,508,640.22
  5. Step 5: Solve for x
    x = 18,072,508,640.22/134,141.40
  6. Step 6: Final answer
    x = 134,727.30

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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.