Home / 164,680.16-227,265-100,130.88

Finding the Fourth Proportional to 164,680.16, 227,265 and 100,130.88

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Solution

The fourth proportional to 164,680.16, 227,265 and 100,130.88 is: 138,184.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,680.16 : 227,265 = 100,130.88 : x
  2. Step 2: Convert to fraction form
    164,680.16/227,265 = 100,130.88/x
  3. Step 3: Cross multiply
    164,680.16x = 227,265 × 100,130.88
  4. Step 4: Simplify right side
    164,680.16x = 22,756,244,443.20
  5. Step 5: Solve for x
    x = 22,756,244,443.20/164,680.16
  6. Step 6: Final answer
    x = 138,184.49

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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.