Home / 140,383.52-210,270.21-87,088.56

Finding the Fourth Proportional to 140,383.52, 210,270.21 and 87,088.56

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Solution

The fourth proportional to 140,383.52, 210,270.21 and 87,088.56 is: 130,443.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,383.52 : 210,270.21 = 87,088.56 : x
  2. Step 2: Convert to fraction form
    140,383.52/210,270.21 = 87,088.56/x
  3. Step 3: Cross multiply
    140,383.52x = 210,270.21 × 87,088.56
  4. Step 4: Simplify right side
    140,383.52x = 18,312,129,799.80
  5. Step 5: Solve for x
    x = 18,312,129,799.80/140,383.52
  6. Step 6: Final answer
    x = 130,443.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.