Home / 141,822.95-195,713.93-78,159.38

Finding the Fourth Proportional to 141,822.95, 195,713.93 and 78,159.38

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Solution

The fourth proportional to 141,822.95, 195,713.93 and 78,159.38 is: 107,858.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,822.95 : 195,713.93 = 78,159.38 : x
  2. Step 2: Convert to fraction form
    141,822.95/195,713.93 = 78,159.38/x
  3. Step 3: Cross multiply
    141,822.95x = 195,713.93 × 78,159.38
  4. Step 4: Simplify right side
    141,822.95x = 15,296,879,426.16
  5. Step 5: Solve for x
    x = 15,296,879,426.16/141,822.95
  6. Step 6: Final answer
    x = 107,858.98

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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.