Home / 109,550.76-164,394.18-70,136.16

Finding the Fourth Proportional to 109,550.76, 164,394.18 and 70,136.16

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Solution

The fourth proportional to 109,550.76, 164,394.18 and 70,136.16 is: 105,247.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,550.76 : 164,394.18 = 70,136.16 : x
  2. Step 2: Convert to fraction form
    109,550.76/164,394.18 = 70,136.16/x
  3. Step 3: Cross multiply
    109,550.76x = 164,394.18 × 70,136.16
  4. Step 4: Simplify right side
    109,550.76x = 11,529,976,511.55
  5. Step 5: Solve for x
    x = 11,529,976,511.55/109,550.76
  6. Step 6: Final answer
    x = 105,247.80

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1.5x scale

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.