Home / 158,795.55-219,131.20-87,177.23

Finding the Fourth Proportional to 158,795.55, 219,131.20 and 87,177.23

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Solution

The fourth proportional to 158,795.55, 219,131.20 and 87,177.23 is: 120,300.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,795.55 : 219,131.20 = 87,177.23 : x
  2. Step 2: Convert to fraction form
    158,795.55/219,131.20 = 87,177.23/x
  3. Step 3: Cross multiply
    158,795.55x = 219,131.20 × 87,177.23
  4. Step 4: Simplify right side
    158,795.55x = 19,103,250,857.63
  5. Step 5: Solve for x
    x = 19,103,250,857.63/158,795.55
  6. Step 6: Final answer
    x = 120,300.92

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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.