Home / 145,649.52-200,395.26-113,763.06

Finding the Fourth Proportional to 145,649.52, 200,395.26 and 113,763.06

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Solution

The fourth proportional to 145,649.52, 200,395.26 and 113,763.06 is: 156,523.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,649.52 : 200,395.26 = 113,763.06 : x
  2. Step 2: Convert to fraction form
    145,649.52/200,395.26 = 113,763.06/x
  3. Step 3: Cross multiply
    145,649.52x = 200,395.26 × 113,763.06
  4. Step 4: Simplify right side
    145,649.52x = 22,797,577,987.10
  5. Step 5: Solve for x
    x = 22,797,577,987.10/145,649.52
  6. Step 6: Final answer
    x = 156,523.54

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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.