Home / 103,373.23-142,677.29-63,078.37

Finding the Fourth Proportional to 103,373.23, 142,677.29 and 63,078.37

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Solution

The fourth proportional to 103,373.23, 142,677.29 and 63,078.37 is: 87,061.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,373.23 : 142,677.29 = 63,078.37 : x
  2. Step 2: Convert to fraction form
    103,373.23/142,677.29 = 63,078.37/x
  3. Step 3: Cross multiply
    103,373.23x = 142,677.29 × 63,078.37
  4. Step 4: Simplify right side
    103,373.23x = 8,999,849,860.44
  5. Step 5: Solve for x
    x = 8,999,849,860.44/103,373.23
  6. Step 6: Final answer
    x = 87,061.71

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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.