Home / 129,466.19-178,764.69-101,252.27

Finding the Fourth Proportional to 129,466.19, 178,764.69 and 101,252.27

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Solution

The fourth proportional to 129,466.19, 178,764.69 and 101,252.27 is: 139,807.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,466.19 : 178,764.69 = 101,252.27 : x
  2. Step 2: Convert to fraction form
    129,466.19/178,764.69 = 101,252.27/x
  3. Step 3: Cross multiply
    129,466.19x = 178,764.69 × 101,252.27
  4. Step 4: Simplify right side
    129,466.19x = 18,100,329,764.52
  5. Step 5: Solve for x
    x = 18,100,329,764.52/129,466.19
  6. Step 6: Final answer
    x = 139,807.39

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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.