Home / 105,743.78-145,926.51-57,998.06

Finding the Fourth Proportional to 105,743.78, 145,926.51 and 57,998.06

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Solution

The fourth proportional to 105,743.78, 145,926.51 and 57,998.06 is: 80,037.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,743.78 : 145,926.51 = 57,998.06 : x
  2. Step 2: Convert to fraction form
    105,743.78/145,926.51 = 57,998.06/x
  3. Step 3: Cross multiply
    105,743.78x = 145,926.51 × 57,998.06
  4. Step 4: Simplify right side
    105,743.78x = 8,463,454,482.57
  5. Step 5: Solve for x
    x = 8,463,454,482.57/105,743.78
  6. Step 6: Final answer
    x = 80,037.37

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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.