Home / 106,736.48-147,220.08-81,542.24

Finding the Fourth Proportional to 106,736.48, 147,220.08 and 81,542.24

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Solution

The fourth proportional to 106,736.48, 147,220.08 and 81,542.24 is: 112,470.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,736.48 : 147,220.08 = 81,542.24 : x
  2. Step 2: Convert to fraction form
    106,736.48/147,220.08 = 81,542.24/x
  3. Step 3: Cross multiply
    106,736.48x = 147,220.08 × 81,542.24
  4. Step 4: Simplify right side
    106,736.48x = 12,004,655,096.18
  5. Step 5: Solve for x
    x = 12,004,655,096.18/106,736.48
  6. Step 6: Final answer
    x = 112,470.03

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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.