Home / 208,718.66-288,032.31-113,225.36

Finding the Fourth Proportional to 208,718.66, 288,032.31 and 113,225.36

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Solution

The fourth proportional to 208,718.66, 288,032.31 and 113,225.36 is: 156,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,718.66 : 288,032.31 = 113,225.36 : x
  2. Step 2: Convert to fraction form
    208,718.66/288,032.31 = 113,225.36/x
  3. Step 3: Cross multiply
    208,718.66x = 288,032.31 × 113,225.36
  4. Step 4: Simplify right side
    208,718.66x = 32,612,562,711.46
  5. Step 5: Solve for x
    x = 32,612,562,711.46/208,718.66
  6. Step 6: Final answer
    x = 156,251.30

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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.