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Finding the Fourth Proportional to 187,894.60, 259,293.18 and 103,010.20

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Solution

The fourth proportional to 187,894.60, 259,293.18 and 103,010.20 is: 142,153.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,894.60 : 259,293.18 = 103,010.20 : x
  2. Step 2: Convert to fraction form
    187,894.60/259,293.18 = 103,010.20/x
  3. Step 3: Cross multiply
    187,894.60x = 259,293.18 × 103,010.20
  4. Step 4: Simplify right side
    187,894.60x = 26,709,842,330.44
  5. Step 5: Solve for x
    x = 26,709,842,330.44/187,894.60
  6. Step 6: Final answer
    x = 142,153.33

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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.