Home / 123,898.95-170,982.68-70,182.63

Finding the Fourth Proportional to 123,898.95, 170,982.68 and 70,182.63

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Solution

The fourth proportional to 123,898.95, 170,982.68 and 70,182.63 is: 96,853.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,898.95 : 170,982.68 = 70,182.63 : x
  2. Step 2: Convert to fraction form
    123,898.95/170,982.68 = 70,182.63/x
  3. Step 3: Cross multiply
    123,898.95x = 170,982.68 × 70,182.63
  4. Step 4: Simplify right side
    123,898.95x = 12,000,013,815.94
  5. Step 5: Solve for x
    x = 12,000,013,815.94/123,898.95
  6. Step 6: Final answer
    x = 96,853.23

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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.