Home / 157,069.96-235,625.18-57,214.76

Finding the Fourth Proportional to 157,069.96, 235,625.18 and 57,214.76

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Solution

The fourth proportional to 157,069.96, 235,625.18 and 57,214.76 is: 85,829.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,069.96 : 235,625.18 = 57,214.76 : x
  2. Step 2: Convert to fraction form
    157,069.96/235,625.18 = 57,214.76/x
  3. Step 3: Cross multiply
    157,069.96x = 235,625.18 × 57,214.76
  4. Step 4: Simplify right side
    157,069.96x = 13,481,238,123.66
  5. Step 5: Solve for x
    x = 13,481,238,123.66/157,069.96
  6. Step 6: Final answer
    x = 85,829.51

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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.