Home / 163,860.03-226,143.90-100,240.20

Finding the Fourth Proportional to 163,860.03, 226,143.90 and 100,240.20

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Solution

The fourth proportional to 163,860.03, 226,143.90 and 100,240.20 is: 138,341.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,860.03 : 226,143.90 = 100,240.20 : x
  2. Step 2: Convert to fraction form
    163,860.03/226,143.90 = 100,240.20/x
  3. Step 3: Cross multiply
    163,860.03x = 226,143.90 × 100,240.20
  4. Step 4: Simplify right side
    163,860.03x = 22,668,709,764.78
  5. Step 5: Solve for x
    x = 22,668,709,764.78/163,860.03
  6. Step 6: Final answer
    x = 138,341.91

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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.