Home / 230,017.47-345,058.61-80,235.92

Finding the Fourth Proportional to 230,017.47, 345,058.61 and 80,235.92

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Solution

The fourth proportional to 230,017.47, 345,058.61 and 80,235.92 is: 120,365.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,017.47 : 345,058.61 = 80,235.92 : x
  2. Step 2: Convert to fraction form
    230,017.47/345,058.61 = 80,235.92/x
  3. Step 3: Cross multiply
    230,017.47x = 345,058.61 × 80,235.92
  4. Step 4: Simplify right side
    230,017.47x = 27,686,092,900.80
  5. Step 5: Solve for x
    x = 27,686,092,900.80/230,017.47
  6. Step 6: Final answer
    x = 120,365.17

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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.