Home / 102,101.07-140,878.82-59,651.40

Finding the Fourth Proportional to 102,101.07, 140,878.82 and 59,651.40

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Solution

The fourth proportional to 102,101.07, 140,878.82 and 59,651.40 is: 82,306.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,101.07 : 140,878.82 = 59,651.40 : x
  2. Step 2: Convert to fraction form
    102,101.07/140,878.82 = 59,651.40/x
  3. Step 3: Cross multiply
    102,101.07x = 140,878.82 × 59,651.40
  4. Step 4: Simplify right side
    102,101.07x = 8,403,618,843.35
  5. Step 5: Solve for x
    x = 8,403,618,843.35/102,101.07
  6. Step 6: Final answer
    x = 82,306.86

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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.