Home / 141,360.34-195,074.74-77,698.12

Finding the Fourth Proportional to 141,360.34, 195,074.74 and 77,698.12

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Solution

The fourth proportional to 141,360.34, 195,074.74 and 77,698.12 is: 107,222.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,360.34 : 195,074.74 = 77,698.12 : x
  2. Step 2: Convert to fraction form
    141,360.34/195,074.74 = 77,698.12/x
  3. Step 3: Cross multiply
    141,360.34x = 195,074.74 × 77,698.12
  4. Step 4: Simplify right side
    141,360.34x = 15,156,940,557.49
  5. Step 5: Solve for x
    x = 15,156,940,557.49/141,360.34
  6. Step 6: Final answer
    x = 107,222.02

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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.