Home / 106,887.71-147,440.77-70,589.49

Finding the Fourth Proportional to 106,887.71, 147,440.77 and 70,589.49

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Solution

The fourth proportional to 106,887.71, 147,440.77 and 70,589.49 is: 97,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,887.71 : 147,440.77 = 70,589.49 : x
  2. Step 2: Convert to fraction form
    106,887.71/147,440.77 = 70,589.49/x
  3. Step 3: Cross multiply
    106,887.71x = 147,440.77 × 70,589.49
  4. Step 4: Simplify right side
    106,887.71x = 10,407,769,164.40
  5. Step 5: Solve for x
    x = 10,407,769,164.40/106,887.71
  6. Step 6: Final answer
    x = 97,371.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.