Home / 104,431.82-144,116.08-56,685.18

Finding the Fourth Proportional to 104,431.82, 144,116.08 and 56,685.18

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Solution

The fourth proportional to 104,431.82, 144,116.08 and 56,685.18 is: 78,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,431.82 : 144,116.08 = 56,685.18 : x
  2. Step 2: Convert to fraction form
    104,431.82/144,116.08 = 56,685.18/x
  3. Step 3: Cross multiply
    104,431.82x = 144,116.08 × 56,685.18
  4. Step 4: Simplify right side
    104,431.82x = 8,169,246,334.42
  5. Step 5: Solve for x
    x = 8,169,246,334.42/104,431.82
  6. Step 6: Final answer
    x = 78,225.65

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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.