Home / 536,723.91-805,085.19-137,364.89

Finding the Fourth Proportional to 536,723.91, 805,085.19 and 137,364.89

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Solution

The fourth proportional to 536,723.91, 805,085.19 and 137,364.89 is: 206,047.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,723.91 : 805,085.19 = 137,364.89 : x
  2. Step 2: Convert to fraction form
    536,723.91/805,085.19 = 137,364.89/x
  3. Step 3: Cross multiply
    536,723.91x = 805,085.19 × 137,364.89
  4. Step 4: Simplify right side
    536,723.91x = 110,590,434,539.55
  5. Step 5: Solve for x
    x = 110,590,434,539.55/536,723.91
  6. Step 6: Final answer
    x = 206,047.15

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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.