Home / 109,263.55-163,920.67-34,381.75

Finding the Fourth Proportional to 109,263.55, 163,920.67 and 34,381.75

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Solution

The fourth proportional to 109,263.55, 163,920.67 and 34,381.75 is: 51,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,263.55 : 163,920.67 = 34,381.75 : x
  2. Step 2: Convert to fraction form
    109,263.55/163,920.67 = 34,381.75/x
  3. Step 3: Cross multiply
    109,263.55x = 163,920.67 × 34,381.75
  4. Step 4: Simplify right side
    109,263.55x = 5,635,879,495.77
  5. Step 5: Solve for x
    x = 5,635,879,495.77/109,263.55
  6. Step 6: Final answer
    x = 51,580.60

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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.