Home / 147,899.24-204,199.47-87,489.28

Finding the Fourth Proportional to 147,899.24, 204,199.47 and 87,489.28

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Solution

The fourth proportional to 147,899.24, 204,199.47 and 87,489.28 is: 120,793.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,899.24 : 204,199.47 = 87,489.28 : x
  2. Step 2: Convert to fraction form
    147,899.24/204,199.47 = 87,489.28/x
  3. Step 3: Cross multiply
    147,899.24x = 204,199.47 × 87,489.28
  4. Step 4: Simplify right side
    147,899.24x = 17,865,264,606.68
  5. Step 5: Solve for x
    x = 17,865,264,606.68/147,899.24
  6. Step 6: Final answer
    x = 120,793.48

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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.