Home / 158,846.85-219,194.37-87,225.30

Finding the Fourth Proportional to 158,846.85, 219,194.37 and 87,225.30

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Solution

The fourth proportional to 158,846.85, 219,194.37 and 87,225.30 is: 120,363.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,846.85 : 219,194.37 = 87,225.30 : x
  2. Step 2: Convert to fraction form
    158,846.85/219,194.37 = 87,225.30/x
  3. Step 3: Cross multiply
    158,846.85x = 219,194.37 × 87,225.30
  4. Step 4: Simplify right side
    158,846.85x = 19,119,294,681.56
  5. Step 5: Solve for x
    x = 19,119,294,681.56/158,846.85
  6. Step 6: Final answer
    x = 120,363.07

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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.