Home / 104,785.79-157,178.75-34,665.11

Finding the Fourth Proportional to 104,785.79, 157,178.75 and 34,665.11

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Solution

The fourth proportional to 104,785.79, 157,178.75 and 34,665.11 is: 51,997.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,785.79 : 157,178.75 = 34,665.11 : x
  2. Step 2: Convert to fraction form
    104,785.79/157,178.75 = 34,665.11/x
  3. Step 3: Cross multiply
    104,785.79x = 157,178.75 × 34,665.11
  4. Step 4: Simplify right side
    104,785.79x = 5,448,617,699.19
  5. Step 5: Solve for x
    x = 5,448,617,699.19/104,785.79
  6. Step 6: Final answer
    x = 51,997.68

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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.