Home / 140,578.05-210,633.80-98,937.57

Finding the Fourth Proportional to 140,578.05, 210,633.80 and 98,937.57

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Solution

The fourth proportional to 140,578.05, 210,633.80 and 98,937.57 is: 148,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,578.05 : 210,633.80 = 98,937.57 : x
  2. Step 2: Convert to fraction form
    140,578.05/210,633.80 = 98,937.57/x
  3. Step 3: Cross multiply
    140,578.05x = 210,633.80 × 98,937.57
  4. Step 4: Simplify right side
    140,578.05x = 20,839,595,837.18
  5. Step 5: Solve for x
    x = 20,839,595,837.18/140,578.05
  6. Step 6: Final answer
    x = 148,242.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.