Home / 142,179.48-213,117.66-107,010.36

Finding the Fourth Proportional to 142,179.48, 213,117.66 and 107,010.36

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Solution

The fourth proportional to 142,179.48, 213,117.66 and 107,010.36 is: 160,401.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,179.48 : 213,117.66 = 107,010.36 : x
  2. Step 2: Convert to fraction form
    142,179.48/213,117.66 = 107,010.36/x
  3. Step 3: Cross multiply
    142,179.48x = 213,117.66 × 107,010.36
  4. Step 4: Simplify right side
    142,179.48x = 22,805,797,518.96
  5. Step 5: Solve for x
    x = 22,805,797,518.96/142,179.48
  6. Step 6: Final answer
    x = 160,401.47

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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.