Home / 82,868.93-124,365.31-56,151.57

Finding the Fourth Proportional to 82,868.93, 124,365.31 and 56,151.57

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Solution

The fourth proportional to 82,868.93, 124,365.31 and 56,151.57 is: 84,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,868.93 : 124,365.31 = 56,151.57 : x
  2. Step 2: Convert to fraction form
    82,868.93/124,365.31 = 56,151.57/x
  3. Step 3: Cross multiply
    82,868.93x = 124,365.31 × 56,151.57
  4. Step 4: Simplify right side
    82,868.93x = 6,983,307,129.28
  5. Step 5: Solve for x
    x = 6,983,307,129.28/82,868.93
  6. Step 6: Final answer
    x = 84,269.30

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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.