Home / 103,653.98-143,040.75-58,331.91

Finding the Fourth Proportional to 103,653.98, 143,040.75 and 58,331.91

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Solution

The fourth proportional to 103,653.98, 143,040.75 and 58,331.91 is: 80,497.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,653.98 : 143,040.75 = 58,331.91 : x
  2. Step 2: Convert to fraction form
    103,653.98/143,040.75 = 58,331.91/x
  3. Step 3: Cross multiply
    103,653.98x = 143,040.75 × 58,331.91
  4. Step 4: Simplify right side
    103,653.98x = 8,343,840,155.33
  5. Step 5: Solve for x
    x = 8,343,840,155.33/103,653.98
  6. Step 6: Final answer
    x = 80,497.06

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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.