Home / 141,545.88-195,341.58-81,135.24

Finding the Fourth Proportional to 141,545.88, 195,341.58 and 81,135.24

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Solution

The fourth proportional to 141,545.88, 195,341.58 and 81,135.24 is: 111,971.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,545.88 : 195,341.58 = 81,135.24 : x
  2. Step 2: Convert to fraction form
    141,545.88/195,341.58 = 81,135.24/x
  3. Step 3: Cross multiply
    141,545.88x = 195,341.58 × 81,135.24
  4. Step 4: Simplify right side
    141,545.88x = 15,849,085,975.28
  5. Step 5: Solve for x
    x = 15,849,085,975.28/141,545.88
  6. Step 6: Final answer
    x = 111,971.37

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1.5x scale

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.