Home / 105,320.61-157,965.34-38,745.17

Finding the Fourth Proportional to 105,320.61, 157,965.34 and 38,745.17

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Solution

The fourth proportional to 105,320.61, 157,965.34 and 38,745.17 is: 58,112.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,320.61 : 157,965.34 = 38,745.17 : x
  2. Step 2: Convert to fraction form
    105,320.61/157,965.34 = 38,745.17/x
  3. Step 3: Cross multiply
    105,320.61x = 157,965.34 × 38,745.17
  4. Step 4: Simplify right side
    105,320.61x = 6,120,393,952.41
  5. Step 5: Solve for x
    x = 6,120,393,952.41/105,320.61
  6. Step 6: Final answer
    x = 58,112.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.