Home / 106,088.84-145,505.63-94,131.42

Finding the Fourth Proportional to 106,088.84, 145,505.63 and 94,131.42

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Solution

The fourth proportional to 106,088.84, 145,505.63 and 94,131.42 is: 129,105.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,088.84 : 145,505.63 = 94,131.42 : x
  2. Step 2: Convert to fraction form
    106,088.84/145,505.63 = 94,131.42/x
  3. Step 3: Cross multiply
    106,088.84x = 145,505.63 × 94,131.42
  4. Step 4: Simplify right side
    106,088.84x = 13,696,651,099.24
  5. Step 5: Solve for x
    x = 13,696,651,099.24/106,088.84
  6. Step 6: Final answer
    x = 129,105.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.