Home / 217,909.95-326,569.67-112,802.73

Finding the Fourth Proportional to 217,909.95, 326,569.67 and 112,802.73

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Solution

The fourth proportional to 217,909.95, 326,569.67 and 112,802.73 is: 169,051.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,909.95 : 326,569.67 = 112,802.73 : x
  2. Step 2: Convert to fraction form
    217,909.95/326,569.67 = 112,802.73/x
  3. Step 3: Cross multiply
    217,909.95x = 326,569.67 × 112,802.73
  4. Step 4: Simplify right side
    217,909.95x = 36,837,950,311.20
  5. Step 5: Solve for x
    x = 36,837,950,311.20/217,909.95
  6. Step 6: Final answer
    x = 169,051.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.