Home / 172,037.04-258,140.09-77,334.13

Finding the Fourth Proportional to 172,037.04, 258,140.09 and 77,334.13

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Solution

The fourth proportional to 172,037.04, 258,140.09 and 77,334.13 is: 116,039.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,037.04 : 258,140.09 = 77,334.13 : x
  2. Step 2: Convert to fraction form
    172,037.04/258,140.09 = 77,334.13/x
  3. Step 3: Cross multiply
    172,037.04x = 258,140.09 × 77,334.13
  4. Step 4: Simplify right side
    172,037.04x = 19,963,039,278.27
  5. Step 5: Solve for x
    x = 19,963,039,278.27/172,037.04
  6. Step 6: Final answer
    x = 116,039.19

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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.