Home / 152,961.21-211,107.47-89,301.29

Finding the Fourth Proportional to 152,961.21, 211,107.47 and 89,301.29

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Solution

The fourth proportional to 152,961.21, 211,107.47 and 89,301.29 is: 123,248.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,961.21 : 211,107.47 = 89,301.29 : x
  2. Step 2: Convert to fraction form
    152,961.21/211,107.47 = 89,301.29/x
  3. Step 3: Cross multiply
    152,961.21x = 211,107.47 × 89,301.29
  4. Step 4: Simplify right side
    152,961.21x = 18,852,167,897.59
  5. Step 5: Solve for x
    x = 18,852,167,897.59/152,961.21
  6. Step 6: Final answer
    x = 123,248.03

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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.