Home / 103,363.32-142,642.26-60,372.84

Finding the Fourth Proportional to 103,363.32, 142,642.26 and 60,372.84

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Solution

The fourth proportional to 103,363.32, 142,642.26 and 60,372.84 is: 83,315.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,363.32 : 142,642.26 = 60,372.84 : x
  2. Step 2: Convert to fraction form
    103,363.32/142,642.26 = 60,372.84/x
  3. Step 3: Cross multiply
    103,363.32x = 142,642.26 × 60,372.84
  4. Step 4: Simplify right side
    103,363.32x = 8,611,718,340.22
  5. Step 5: Solve for x
    x = 8,611,718,340.22/103,363.32
  6. Step 6: Final answer
    x = 83,315.03

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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.