Home / 211,868.64-317,532.67-99,300.51

Finding the Fourth Proportional to 211,868.64, 317,532.67 and 99,300.51

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Solution

The fourth proportional to 211,868.64, 317,532.67 and 99,300.51 is: 148,824.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,868.64 : 317,532.67 = 99,300.51 : x
  2. Step 2: Convert to fraction form
    211,868.64/317,532.67 = 99,300.51/x
  3. Step 3: Cross multiply
    211,868.64x = 317,532.67 × 99,300.51
  4. Step 4: Simplify right side
    211,868.64x = 31,531,156,072.66
  5. Step 5: Solve for x
    x = 31,531,156,072.66/211,868.64
  6. Step 6: Final answer
    x = 148,824.08

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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.