Home / 125,175.40-187,823.26-77,777.64

Finding the Fourth Proportional to 125,175.40, 187,823.26 and 77,777.64

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Solution

The fourth proportional to 125,175.40, 187,823.26 and 77,777.64 is: 116,703.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,175.40 : 187,823.26 = 77,777.64 : x
  2. Step 2: Convert to fraction form
    125,175.40/187,823.26 = 77,777.64/x
  3. Step 3: Cross multiply
    125,175.40x = 187,823.26 × 77,777.64
  4. Step 4: Simplify right side
    125,175.40x = 14,608,449,899.91
  5. Step 5: Solve for x
    x = 14,608,449,899.91/125,175.40
  6. Step 6: Final answer
    x = 116,703.84

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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.