Home / 170,133.80-255,310.05-99,056.30

Finding the Fourth Proportional to 170,133.80, 255,310.05 and 99,056.30

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Solution

The fourth proportional to 170,133.80, 255,310.05 and 99,056.30 is: 148,648.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,133.80 : 255,310.05 = 99,056.30 : x
  2. Step 2: Convert to fraction form
    170,133.80/255,310.05 = 99,056.30/x
  3. Step 3: Cross multiply
    170,133.80x = 255,310.05 × 99,056.30
  4. Step 4: Simplify right side
    170,133.80x = 25,290,068,905.82
  5. Step 5: Solve for x
    x = 25,290,068,905.82/170,133.80
  6. Step 6: Final answer
    x = 148,648.12

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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.