Home / 208,823.52-288,176.64-113,330.20

Finding the Fourth Proportional to 208,823.52, 288,176.64 and 113,330.20

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Solution

The fourth proportional to 208,823.52, 288,176.64 and 113,330.20 is: 156,395.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,823.52 : 288,176.64 = 113,330.20 : x
  2. Step 2: Convert to fraction form
    208,823.52/288,176.64 = 113,330.20/x
  3. Step 3: Cross multiply
    208,823.52x = 288,176.64 × 113,330.20
  4. Step 4: Simplify right side
    208,823.52x = 32,659,116,246.53
  5. Step 5: Solve for x
    x = 32,659,116,246.53/208,823.52
  6. Step 6: Final answer
    x = 156,395.77

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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.