Home / 187,812.39-259,182.08-101,771.40

Finding the Fourth Proportional to 187,812.39, 259,182.08 and 101,771.40

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Solution

The fourth proportional to 187,812.39, 259,182.08 and 101,771.40 is: 140,445.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,812.39 : 259,182.08 = 101,771.40 : x
  2. Step 2: Convert to fraction form
    187,812.39/259,182.08 = 101,771.40/x
  3. Step 3: Cross multiply
    187,812.39x = 259,182.08 × 101,771.40
  4. Step 4: Simplify right side
    187,812.39x = 26,377,323,981.23
  5. Step 5: Solve for x
    x = 26,377,323,981.23/187,812.39
  6. Step 6: Final answer
    x = 140,445.07

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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.