Home / 144,078.02-198,830.84-79,547.06

Finding the Fourth Proportional to 144,078.02, 198,830.84 and 79,547.06

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Solution

The fourth proportional to 144,078.02, 198,830.84 and 79,547.06 is: 109,776.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,078.02 : 198,830.84 = 79,547.06 : x
  2. Step 2: Convert to fraction form
    144,078.02/198,830.84 = 79,547.06/x
  3. Step 3: Cross multiply
    144,078.02x = 198,830.84 × 79,547.06
  4. Step 4: Simplify right side
    144,078.02x = 15,816,408,759.33
  5. Step 5: Solve for x
    x = 15,816,408,759.33/144,078.02
  6. Step 6: Final answer
    x = 109,776.69

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1.5x scale

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.