Home / 147,000.28-220,222.94-86,849.27

Finding the Fourth Proportional to 147,000.28, 220,222.94 and 86,849.27

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Solution

The fourth proportional to 147,000.28, 220,222.94 and 86,849.27 is: 130,109.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,000.28 : 220,222.94 = 86,849.27 : x
  2. Step 2: Convert to fraction form
    147,000.28/220,222.94 = 86,849.27/x
  3. Step 3: Cross multiply
    147,000.28x = 220,222.94 × 86,849.27
  4. Step 4: Simplify right side
    147,000.28x = 19,126,201,576.25
  5. Step 5: Solve for x
    x = 19,126,201,576.25/147,000.28
  6. Step 6: Final answer
    x = 130,109.97

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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.