Home / 185,031.24-255,344.98-100,150.12

Finding the Fourth Proportional to 185,031.24, 255,344.98 and 100,150.12

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Solution

The fourth proportional to 185,031.24, 255,344.98 and 100,150.12 is: 138,208.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,031.24 : 255,344.98 = 100,150.12 : x
  2. Step 2: Convert to fraction form
    185,031.24/255,344.98 = 100,150.12/x
  3. Step 3: Cross multiply
    185,031.24x = 255,344.98 × 100,150.12
  4. Step 4: Simplify right side
    185,031.24x = 25,572,830,388.40
  5. Step 5: Solve for x
    x = 25,572,830,388.40/185,031.24
  6. Step 6: Final answer
    x = 138,208.18

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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.