Home / 164,145.78-226,482.60-99,613.55

Finding the Fourth Proportional to 164,145.78, 226,482.60 and 99,613.55

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Solution

The fourth proportional to 164,145.78, 226,482.60 and 99,613.55 is: 137,443.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,145.78 : 226,482.60 = 99,613.55 : x
  2. Step 2: Convert to fraction form
    164,145.78/226,482.60 = 99,613.55/x
  3. Step 3: Cross multiply
    164,145.78x = 226,482.60 × 99,613.55
  4. Step 4: Simplify right side
    164,145.78x = 22,560,735,799.23
  5. Step 5: Solve for x
    x = 22,560,735,799.23/164,145.78
  6. Step 6: Final answer
    x = 137,443.29

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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.