Home / 128,327.04-192,500.30-34,840.08

Finding the Fourth Proportional to 128,327.04, 192,500.30 and 34,840.08

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Solution

The fourth proportional to 128,327.04, 192,500.30 and 34,840.08 is: 52,262.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,327.04 : 192,500.30 = 34,840.08 : x
  2. Step 2: Convert to fraction form
    128,327.04/192,500.30 = 34,840.08/x
  3. Step 3: Cross multiply
    128,327.04x = 192,500.30 × 34,840.08
  4. Step 4: Simplify right side
    128,327.04x = 6,706,725,852.02
  5. Step 5: Solve for x
    x = 6,706,725,852.02/128,327.04
  6. Step 6: Final answer
    x = 52,262.76

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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.