Home / 141,364.34-195,083.88-77,703.20

Finding the Fourth Proportional to 141,364.34, 195,083.88 and 77,703.20

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Solution

The fourth proportional to 141,364.34, 195,083.88 and 77,703.20 is: 107,231.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,364.34 : 195,083.88 = 77,703.20 : x
  2. Step 2: Convert to fraction form
    141,364.34/195,083.88 = 77,703.20/x
  3. Step 3: Cross multiply
    141,364.34x = 195,083.88 × 77,703.20
  4. Step 4: Simplify right side
    141,364.34x = 15,158,641,744.42
  5. Step 5: Solve for x
    x = 15,158,641,744.42/141,364.34
  6. Step 6: Final answer
    x = 107,231.02

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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.