Home / 105,243.07-145,228.60-57,496.41

Finding the Fourth Proportional to 105,243.07, 145,228.60 and 57,496.41

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Solution

The fourth proportional to 105,243.07, 145,228.60 and 57,496.41 is: 79,341.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,243.07 : 145,228.60 = 57,496.41 : x
  2. Step 2: Convert to fraction form
    105,243.07/145,228.60 = 57,496.41/x
  3. Step 3: Cross multiply
    105,243.07x = 145,228.60 × 57,496.41
  4. Step 4: Simplify right side
    105,243.07x = 8,350,123,129.33
  5. Step 5: Solve for x
    x = 8,350,123,129.33/105,243.07
  6. Step 6: Final answer
    x = 79,341.31

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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.