Home / 147,621.84-203,649.03-87,151.29

Finding the Fourth Proportional to 147,621.84, 203,649.03 and 87,151.29

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Solution

The fourth proportional to 147,621.84, 203,649.03 and 87,151.29 is: 120,227.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,621.84 : 203,649.03 = 87,151.29 : x
  2. Step 2: Convert to fraction form
    147,621.84/203,649.03 = 87,151.29/x
  3. Step 3: Cross multiply
    147,621.84x = 203,649.03 × 87,151.29
  4. Step 4: Simplify right side
    147,621.84x = 17,748,275,671.75
  5. Step 5: Solve for x
    x = 17,748,275,671.75/147,621.84
  6. Step 6: Final answer
    x = 120,227.98

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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.