Home / 115,009.07-158,736.11-67,274.15

Finding the Fourth Proportional to 115,009.07, 158,736.11 and 67,274.15

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Solution

The fourth proportional to 115,009.07, 158,736.11 and 67,274.15 is: 92,852.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,009.07 : 158,736.11 = 67,274.15 : x
  2. Step 2: Convert to fraction form
    115,009.07/158,736.11 = 67,274.15/x
  3. Step 3: Cross multiply
    115,009.07x = 158,736.11 × 67,274.15
  4. Step 4: Simplify right side
    115,009.07x = 10,678,835,744.51
  5. Step 5: Solve for x
    x = 10,678,835,744.51/115,009.07
  6. Step 6: Final answer
    x = 92,852.12

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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.