Home / 144,775.32-199,887.60-90,410.56

Finding the Fourth Proportional to 144,775.32, 199,887.60 and 90,410.56

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Solution

The fourth proportional to 144,775.32, 199,887.60 and 90,410.56 is: 124,827.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,775.32 : 199,887.60 = 90,410.56 : x
  2. Step 2: Convert to fraction form
    144,775.32/199,887.60 = 90,410.56/x
  3. Step 3: Cross multiply
    144,775.32x = 199,887.60 × 90,410.56
  4. Step 4: Simplify right side
    144,775.32x = 18,071,949,853.06
  5. Step 5: Solve for x
    x = 18,071,949,853.06/144,775.32
  6. Step 6: Final answer
    x = 124,827.56

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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.