Home / 187,902.36-259,307.28-107,340.60

Finding the Fourth Proportional to 187,902.36, 259,307.28 and 107,340.60

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Solution

The fourth proportional to 187,902.36, 259,307.28 and 107,340.60 is: 148,131.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,902.36 : 259,307.28 = 107,340.60 : x
  2. Step 2: Convert to fraction form
    187,902.36/259,307.28 = 107,340.60/x
  3. Step 3: Cross multiply
    187,902.36x = 259,307.28 × 107,340.60
  4. Step 4: Simplify right side
    187,902.36x = 27,834,199,019.57
  5. Step 5: Solve for x
    x = 27,834,199,019.57/187,902.36
  6. Step 6: Final answer
    x = 148,131.18

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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.