Home / 75,303.64-112,959.17-19,144.23

Finding the Fourth Proportional to 75,303.64, 112,959.17 and 19,144.23

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Solution

The fourth proportional to 75,303.64, 112,959.17 and 19,144.23 is: 28,717.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,303.64 : 112,959.17 = 19,144.23 : x
  2. Step 2: Convert to fraction form
    75,303.64/112,959.17 = 19,144.23/x
  3. Step 3: Cross multiply
    75,303.64x = 112,959.17 × 19,144.23
  4. Step 4: Simplify right side
    75,303.64x = 2,162,516,331.09
  5. Step 5: Solve for x
    x = 2,162,516,331.09/75,303.64
  6. Step 6: Final answer
    x = 28,717.29

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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.