Home / 125,226.94-172,830.88-77,495.66

Finding the Fourth Proportional to 125,226.94, 172,830.88 and 77,495.66

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Solution

The fourth proportional to 125,226.94, 172,830.88 and 77,495.66 is: 106,954.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,226.94 : 172,830.88 = 77,495.66 : x
  2. Step 2: Convert to fraction form
    125,226.94/172,830.88 = 77,495.66/x
  3. Step 3: Cross multiply
    125,226.94x = 172,830.88 × 77,495.66
  4. Step 4: Simplify right side
    125,226.94x = 13,393,643,113.98
  5. Step 5: Solve for x
    x = 13,393,643,113.98/125,226.94
  6. Step 6: Final answer
    x = 106,954.97

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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.