Home / 230,034.45-317,439.76-129,413.01

Finding the Fourth Proportional to 230,034.45, 317,439.76 and 129,413.01

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Solution

The fourth proportional to 230,034.45, 317,439.76 and 129,413.01 is: 178,585.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,034.45 : 317,439.76 = 129,413.01 : x
  2. Step 2: Convert to fraction form
    230,034.45/317,439.76 = 129,413.01/x
  3. Step 3: Cross multiply
    230,034.45x = 317,439.76 × 129,413.01
  4. Step 4: Simplify right side
    230,034.45x = 41,080,834,835.28
  5. Step 5: Solve for x
    x = 41,080,834,835.28/230,034.45
  6. Step 6: Final answer
    x = 178,585.58

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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.