Home / 172,037.29-258,140.46-77,334.38

Finding the Fourth Proportional to 172,037.29, 258,140.46 and 77,334.38

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Solution

The fourth proportional to 172,037.29, 258,140.46 and 77,334.38 is: 116,039.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,037.29 : 258,140.46 = 77,334.38 : x
  2. Step 2: Convert to fraction form
    172,037.29/258,140.46 = 77,334.38/x
  3. Step 3: Cross multiply
    172,037.29x = 258,140.46 × 77,334.38
  4. Step 4: Simplify right side
    172,037.29x = 19,963,132,427.01
  5. Step 5: Solve for x
    x = 19,963,132,427.01/172,037.29
  6. Step 6: Final answer
    x = 116,039.57

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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.