Home / 103,991.32-143,497.56-58,665.16

Finding the Fourth Proportional to 103,991.32, 143,497.56 and 58,665.16

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Solution

The fourth proportional to 103,991.32, 143,497.56 and 58,665.16 is: 80,952.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,991.32 : 143,497.56 = 58,665.16 : x
  2. Step 2: Convert to fraction form
    103,991.32/143,497.56 = 58,665.16/x
  3. Step 3: Cross multiply
    103,991.32x = 143,497.56 × 58,665.16
  4. Step 4: Simplify right side
    103,991.32x = 8,418,307,317.01
  5. Step 5: Solve for x
    x = 8,418,307,317.01/103,991.32
  6. Step 6: Final answer
    x = 80,952.02

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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.