Home / 141,425.61-195,166.70-77,763.25

Finding the Fourth Proportional to 141,425.61, 195,166.70 and 77,763.25

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Solution

The fourth proportional to 141,425.61, 195,166.70 and 77,763.25 is: 107,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,425.61 : 195,166.70 = 77,763.25 : x
  2. Step 2: Convert to fraction form
    141,425.61/195,166.70 = 77,763.25/x
  3. Step 3: Cross multiply
    141,425.61x = 195,166.70 × 77,763.25
  4. Step 4: Simplify right side
    141,425.61x = 15,176,797,030.53
  5. Step 5: Solve for x
    x = 15,176,797,030.53/141,425.61
  6. Step 6: Final answer
    x = 107,312.94

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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.