Home / 163,733.80-226,095.78-103,412.20

Finding the Fourth Proportional to 163,733.80, 226,095.78 and 103,412.20

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Solution

The fourth proportional to 163,733.80, 226,095.78 and 103,412.20 is: 142,799.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,733.80 : 226,095.78 = 103,412.20 : x
  2. Step 2: Convert to fraction form
    163,733.80/226,095.78 = 103,412.20/x
  3. Step 3: Cross multiply
    163,733.80x = 226,095.78 × 103,412.20
  4. Step 4: Simplify right side
    163,733.80x = 23,381,062,020.52
  5. Step 5: Solve for x
    x = 23,381,062,020.52/163,733.80
  6. Step 6: Final answer
    x = 142,799.24

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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.