Home / 124,715.70-172,107.32-68,127.08

Finding the Fourth Proportional to 124,715.70, 172,107.32 and 68,127.08

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Solution

The fourth proportional to 124,715.70, 172,107.32 and 68,127.08 is: 94,015.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,715.70 : 172,107.32 = 68,127.08 : x
  2. Step 2: Convert to fraction form
    124,715.70/172,107.32 = 68,127.08/x
  3. Step 3: Cross multiply
    124,715.70x = 172,107.32 × 68,127.08
  4. Step 4: Simplify right side
    124,715.70x = 11,725,167,957.05
  5. Step 5: Solve for x
    x = 11,725,167,957.05/124,715.70
  6. Step 6: Final answer
    x = 94,015.17

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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.