Home / 104,507.20-144,219.36-56,760.16

Finding the Fourth Proportional to 104,507.20, 144,219.36 and 56,760.16

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Solution

The fourth proportional to 104,507.20, 144,219.36 and 56,760.16 is: 78,328.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,507.20 : 144,219.36 = 56,760.16 : x
  2. Step 2: Convert to fraction form
    104,507.20/144,219.36 = 56,760.16/x
  3. Step 3: Cross multiply
    104,507.20x = 144,219.36 × 56,760.16
  4. Step 4: Simplify right side
    104,507.20x = 8,185,913,948.70
  5. Step 5: Solve for x
    x = 8,185,913,948.70/104,507.20
  6. Step 6: Final answer
    x = 78,328.71

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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.