Home / 157,076.67-235,475.55-57,218.25

Finding the Fourth Proportional to 157,076.67, 235,475.55 and 57,218.25

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Solution

The fourth proportional to 157,076.67, 235,475.55 and 57,218.25 is: 85,776.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,076.67 : 235,475.55 = 57,218.25 : x
  2. Step 2: Convert to fraction form
    157,076.67/235,475.55 = 57,218.25/x
  3. Step 3: Cross multiply
    157,076.67x = 235,475.55 × 57,218.25
  4. Step 4: Simplify right side
    157,076.67x = 13,473,498,888.79
  5. Step 5: Solve for x
    x = 13,473,498,888.79/157,076.67
  6. Step 6: Final answer
    x = 85,776.58

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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.