Home / 173,988.29-261,008.36-80,503.49

Finding the Fourth Proportional to 173,988.29, 261,008.36 and 80,503.49

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Solution

The fourth proportional to 173,988.29, 261,008.36 and 80,503.49 is: 120,767.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,988.29 : 261,008.36 = 80,503.49 : x
  2. Step 2: Convert to fraction form
    173,988.29/261,008.36 = 80,503.49/x
  3. Step 3: Cross multiply
    173,988.29x = 261,008.36 × 80,503.49
  4. Step 4: Simplify right side
    173,988.29x = 21,012,083,899.18
  5. Step 5: Solve for x
    x = 21,012,083,899.18/173,988.29
  6. Step 6: Final answer
    x = 120,767.23

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1.5x scale

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.