Home / 147,820.44-203,987.16-84,145.92

Finding the Fourth Proportional to 147,820.44, 203,987.16 and 84,145.92

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Solution

The fourth proportional to 147,820.44, 203,987.16 and 84,145.92 is: 116,118.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,820.44 : 203,987.16 = 84,145.92 : x
  2. Step 2: Convert to fraction form
    147,820.44/203,987.16 = 84,145.92/x
  3. Step 3: Cross multiply
    147,820.44x = 203,987.16 × 84,145.92
  4. Step 4: Simplify right side
    147,820.44x = 17,164,687,246.39
  5. Step 5: Solve for x
    x = 17,164,687,246.39/147,820.44
  6. Step 6: Final answer
    x = 116,118.50

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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.