Home / 115,178.58-172,792.47-40,301.17

Finding the Fourth Proportional to 115,178.58, 172,792.47 and 40,301.17

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Solution

The fourth proportional to 115,178.58, 172,792.47 and 40,301.17 is: 60,460.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,178.58 : 172,792.47 = 40,301.17 : x
  2. Step 2: Convert to fraction form
    115,178.58/172,792.47 = 40,301.17/x
  3. Step 3: Cross multiply
    115,178.58x = 172,792.47 × 40,301.17
  4. Step 4: Simplify right side
    115,178.58x = 6,963,738,708.19
  5. Step 5: Solve for x
    x = 6,963,738,708.19/115,178.58
  6. Step 6: Final answer
    x = 60,460.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.