Home / 134,871.75-186,123.02-75,255.75

Finding the Fourth Proportional to 134,871.75, 186,123.02 and 75,255.75

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Solution

The fourth proportional to 134,871.75, 186,123.02 and 75,255.75 is: 103,852.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,871.75 : 186,123.02 = 75,255.75 : x
  2. Step 2: Convert to fraction form
    134,871.75/186,123.02 = 75,255.75/x
  3. Step 3: Cross multiply
    134,871.75x = 186,123.02 × 75,255.75
  4. Step 4: Simplify right side
    134,871.75x = 14,006,827,462.37
  5. Step 5: Solve for x
    x = 14,006,827,462.37/134,871.75
  6. Step 6: Final answer
    x = 103,852.94

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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.