Home / 153,276.72-211,401.78-104,907.30

Finding the Fourth Proportional to 153,276.72, 211,401.78 and 104,907.30

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Solution

The fourth proportional to 153,276.72, 211,401.78 and 104,907.30 is: 144,689.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,276.72 : 211,401.78 = 104,907.30 : x
  2. Step 2: Convert to fraction form
    153,276.72/211,401.78 = 104,907.30/x
  3. Step 3: Cross multiply
    153,276.72x = 211,401.78 × 104,907.30
  4. Step 4: Simplify right side
    153,276.72x = 22,177,589,954.99
  5. Step 5: Solve for x
    x = 22,177,589,954.99/153,276.72
  6. Step 6: Final answer
    x = 144,689.88

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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.