Home / 141,830.79-195,720.72-77,298.65

Finding the Fourth Proportional to 141,830.79, 195,720.72 and 77,298.65

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Solution

The fourth proportional to 141,830.79, 195,720.72 and 77,298.65 is: 106,669.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,830.79 : 195,720.72 = 77,298.65 : x
  2. Step 2: Convert to fraction form
    141,830.79/195,720.72 = 77,298.65/x
  3. Step 3: Cross multiply
    141,830.79x = 195,720.72 × 77,298.65
  4. Step 4: Simplify right side
    141,830.79x = 15,128,947,922.33
  5. Step 5: Solve for x
    x = 15,128,947,922.33/141,830.79
  6. Step 6: Final answer
    x = 106,669.00

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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.