Home / 125,312.87-172,940.93-71,596.73

Finding the Fourth Proportional to 125,312.87, 172,940.93 and 71,596.73

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Solution

The fourth proportional to 125,312.87, 172,940.93 and 71,596.73 is: 98,808.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,312.87 : 172,940.93 = 71,596.73 : x
  2. Step 2: Convert to fraction form
    125,312.87/172,940.93 = 71,596.73/x
  3. Step 3: Cross multiply
    125,312.87x = 172,940.93 × 71,596.73
  4. Step 4: Simplify right side
    125,312.87x = 12,382,005,145.53
  5. Step 5: Solve for x
    x = 12,382,005,145.53/125,312.87
  6. Step 6: Final answer
    x = 98,808.72

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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.