Home / 104,419.28-144,099.12-56,672.69

Finding the Fourth Proportional to 104,419.28, 144,099.12 and 56,672.69

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Solution

The fourth proportional to 104,419.28, 144,099.12 and 56,672.69 is: 78,208.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,419.28 : 144,099.12 = 56,672.69 : x
  2. Step 2: Convert to fraction form
    104,419.28/144,099.12 = 56,672.69/x
  3. Step 3: Cross multiply
    104,419.28x = 144,099.12 × 56,672.69
  4. Step 4: Simplify right side
    104,419.28x = 8,166,484,036.54
  5. Step 5: Solve for x
    x = 8,166,484,036.54/104,419.28
  6. Step 6: Final answer
    x = 78,208.59

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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.