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Finding the Fourth Proportional to 123,995.61, 185,994.93 and 35,248.97

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Solution

The fourth proportional to 123,995.61, 185,994.93 and 35,248.97 is: 52,873.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,995.61 : 185,994.93 = 35,248.97 : x
  2. Step 2: Convert to fraction form
    123,995.61/185,994.93 = 35,248.97/x
  3. Step 3: Cross multiply
    123,995.61x = 185,994.93 × 35,248.97
  4. Step 4: Simplify right side
    123,995.61x = 6,556,130,304.89
  5. Step 5: Solve for x
    x = 6,556,130,304.89/123,995.61
  6. Step 6: Final answer
    x = 52,873.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.