Home / 164,145.84-226,482.69-99,613.62

Finding the Fourth Proportional to 164,145.84, 226,482.69 and 99,613.62

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Solution

The fourth proportional to 164,145.84, 226,482.69 and 99,613.62 is: 137,443.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,145.84 : 226,482.69 = 99,613.62 : x
  2. Step 2: Convert to fraction form
    164,145.84/226,482.69 = 99,613.62/x
  3. Step 3: Cross multiply
    164,145.84x = 226,482.69 × 99,613.62
  4. Step 4: Simplify right side
    164,145.84x = 22,560,760,618.24
  5. Step 5: Solve for x
    x = 22,560,760,618.24/164,145.84
  6. Step 6: Final answer
    x = 137,443.39

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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.