Home / 103,260.69-142,491.02-57,932.55

Finding the Fourth Proportional to 103,260.69, 142,491.02 and 57,932.55

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Solution

The fourth proportional to 103,260.69, 142,491.02 and 57,932.55 is: 79,942.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,260.69 : 142,491.02 = 57,932.55 : x
  2. Step 2: Convert to fraction form
    103,260.69/142,491.02 = 57,932.55/x
  3. Step 3: Cross multiply
    103,260.69x = 142,491.02 × 57,932.55
  4. Step 4: Simplify right side
    103,260.69x = 8,254,867,851.04
  5. Step 5: Solve for x
    x = 8,254,867,851.04/103,260.69
  6. Step 6: Final answer
    x = 79,942.02

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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.