Home / 147,055.30-202,928.06-82,518.52

Finding the Fourth Proportional to 147,055.30, 202,928.06 and 82,518.52

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Solution

The fourth proportional to 147,055.30, 202,928.06 and 82,518.52 is: 113,870.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,055.30 : 202,928.06 = 82,518.52 : x
  2. Step 2: Convert to fraction form
    147,055.30/202,928.06 = 82,518.52/x
  3. Step 3: Cross multiply
    147,055.30x = 202,928.06 × 82,518.52
  4. Step 4: Simplify right side
    147,055.30x = 16,745,323,177.67
  5. Step 5: Solve for x
    x = 16,745,323,177.67/147,055.30
  6. Step 6: Final answer
    x = 113,870.93

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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.