Home / 208,925.65-288,317.38-113,432.35

Finding the Fourth Proportional to 208,925.65, 288,317.38 and 113,432.35

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Solution

The fourth proportional to 208,925.65, 288,317.38 and 113,432.35 is: 156,536.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,925.65 : 288,317.38 = 113,432.35 : x
  2. Step 2: Convert to fraction form
    208,925.65/288,317.38 = 113,432.35/x
  3. Step 3: Cross multiply
    208,925.65x = 288,317.38 × 113,432.35
  4. Step 4: Simplify right side
    208,925.65x = 32,704,517,959.24
  5. Step 5: Solve for x
    x = 32,704,517,959.24/208,925.65
  6. Step 6: Final answer
    x = 156,536.63

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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.