Home / 152,778.08-210,878.70-99,066.44

Finding the Fourth Proportional to 152,778.08, 210,878.70 and 99,066.44

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Solution

The fourth proportional to 152,778.08, 210,878.70 and 99,066.44 is: 136,740.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,778.08 : 210,878.70 = 99,066.44 : x
  2. Step 2: Convert to fraction form
    152,778.08/210,878.70 = 99,066.44/x
  3. Step 3: Cross multiply
    152,778.08x = 210,878.70 × 99,066.44
  4. Step 4: Simplify right side
    152,778.08x = 20,891,002,080.83
  5. Step 5: Solve for x
    x = 20,891,002,080.83/152,778.08
  6. Step 6: Final answer
    x = 136,740.83

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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.