Home / 142,514.40-213,721.20-48,998.40

Finding the Fourth Proportional to 142,514.40, 213,721.20 and 48,998.40

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Solution

The fourth proportional to 142,514.40, 213,721.20 and 48,998.40 is: 73,480.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,514.40 : 213,721.20 = 48,998.40 : x
  2. Step 2: Convert to fraction form
    142,514.40/213,721.20 = 48,998.40/x
  3. Step 3: Cross multiply
    142,514.40x = 213,721.20 × 48,998.40
  4. Step 4: Simplify right side
    142,514.40x = 10,471,996,846.08
  5. Step 5: Solve for x
    x = 10,471,996,846.08/142,514.40
  6. Step 6: Final answer
    x = 73,480.27

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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.