Home / 103,972.32-143,475.12-59,257.44

Finding the Fourth Proportional to 103,972.32, 143,475.12 and 59,257.44

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Solution

The fourth proportional to 103,972.32, 143,475.12 and 59,257.44 is: 81,771.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,972.32 : 143,475.12 = 59,257.44 : x
  2. Step 2: Convert to fraction form
    103,972.32/143,475.12 = 59,257.44/x
  3. Step 3: Cross multiply
    103,972.32x = 143,475.12 × 59,257.44
  4. Step 4: Simplify right side
    103,972.32x = 8,501,968,314.89
  5. Step 5: Solve for x
    x = 8,501,968,314.89/103,972.32
  6. Step 6: Final answer
    x = 81,771.46

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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.