Home / 145,045.44-200,227.68-88,479.36

Finding the Fourth Proportional to 145,045.44, 200,227.68 and 88,479.36

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Solution

The fourth proportional to 145,045.44, 200,227.68 and 88,479.36 is: 122,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,045.44 : 200,227.68 = 88,479.36 : x
  2. Step 2: Convert to fraction form
    145,045.44/200,227.68 = 88,479.36/x
  3. Step 3: Cross multiply
    145,045.44x = 200,227.68 × 88,479.36
  4. Step 4: Simplify right side
    145,045.44x = 17,716,016,980.68
  5. Step 5: Solve for x
    x = 17,716,016,980.68/145,045.44
  6. Step 6: Final answer
    x = 122,141.15

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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.