Home / 106,140.32-158,274.08-105,192.80

Finding the Fourth Proportional to 106,140.32, 158,274.08 and 105,192.80

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Solution

The fourth proportional to 106,140.32, 158,274.08 and 105,192.80 is: 156,861.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,140.32 : 158,274.08 = 105,192.80 : x
  2. Step 2: Convert to fraction form
    106,140.32/158,274.08 = 105,192.80/x
  3. Step 3: Cross multiply
    106,140.32x = 158,274.08 × 105,192.80
  4. Step 4: Simplify right side
    106,140.32x = 16,649,293,642.62
  5. Step 5: Solve for x
    x = 16,649,293,642.62/106,140.32
  6. Step 6: Final answer
    x = 156,861.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.