Home / 159,014.50-219,308.56-107,943.28

Finding the Fourth Proportional to 159,014.50, 219,308.56 and 107,943.28

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Solution

The fourth proportional to 159,014.50, 219,308.56 and 107,943.28 is: 148,872.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,014.50 : 219,308.56 = 107,943.28 : x
  2. Step 2: Convert to fraction form
    159,014.50/219,308.56 = 107,943.28/x
  3. Step 3: Cross multiply
    159,014.50x = 219,308.56 × 107,943.28
  4. Step 4: Simplify right side
    159,014.50x = 23,672,885,298.48
  5. Step 5: Solve for x
    x = 23,672,885,298.48/159,014.50
  6. Step 6: Final answer
    x = 148,872.49

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1.5x scale

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.