Home / 141,703.94-195,545.13-81,231.23

Finding the Fourth Proportional to 141,703.94, 195,545.13 and 81,231.23

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Solution

The fourth proportional to 141,703.94, 195,545.13 and 81,231.23 is: 112,095.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,703.94 : 195,545.13 = 81,231.23 : x
  2. Step 2: Convert to fraction form
    141,703.94/195,545.13 = 81,231.23/x
  3. Step 3: Cross multiply
    141,703.94x = 195,545.13 × 81,231.23
  4. Step 4: Simplify right side
    141,703.94x = 15,884,371,430.41
  5. Step 5: Solve for x
    x = 15,884,371,430.41/141,703.94
  6. Step 6: Final answer
    x = 112,095.48

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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.