Home / 128,525.32-192,782.31-35,031.07

Finding the Fourth Proportional to 128,525.32, 192,782.31 and 35,031.07

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Solution

The fourth proportional to 128,525.32, 192,782.31 and 35,031.07 is: 52,545.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,525.32 : 192,782.31 = 35,031.07 : x
  2. Step 2: Convert to fraction form
    128,525.32/192,782.31 = 35,031.07/x
  3. Step 3: Cross multiply
    128,525.32x = 192,782.31 × 35,031.07
  4. Step 4: Simplify right side
    128,525.32x = 6,753,370,596.37
  5. Step 5: Solve for x
    x = 6,753,370,596.37/128,525.32
  6. Step 6: Final answer
    x = 52,545.06

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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.