Home / 133,215.50-199,820.41-43,258.12

Finding the Fourth Proportional to 133,215.50, 199,820.41 and 43,258.12

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Solution

The fourth proportional to 133,215.50, 199,820.41 and 43,258.12 is: 64,886.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,215.50 : 199,820.41 = 43,258.12 : x
  2. Step 2: Convert to fraction form
    133,215.50/199,820.41 = 43,258.12/x
  3. Step 3: Cross multiply
    133,215.50x = 199,820.41 × 43,258.12
  4. Step 4: Simplify right side
    133,215.50x = 8,643,854,666.53
  5. Step 5: Solve for x
    x = 8,643,854,666.53/133,215.50
  6. Step 6: Final answer
    x = 64,886.25

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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.