Home / 103,494.27-142,833.95-57,558.50

Finding the Fourth Proportional to 103,494.27, 142,833.95 and 57,558.50

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Solution

The fourth proportional to 103,494.27, 142,833.95 and 57,558.50 is: 79,437.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,494.27 : 142,833.95 = 57,558.50 : x
  2. Step 2: Convert to fraction form
    103,494.27/142,833.95 = 57,558.50/x
  3. Step 3: Cross multiply
    103,494.27x = 142,833.95 × 57,558.50
  4. Step 4: Simplify right side
    103,494.27x = 8,221,307,660.58
  5. Step 5: Solve for x
    x = 8,221,307,660.58/103,494.27
  6. Step 6: Final answer
    x = 79,437.32

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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.