Home / 134,811.80-201,947.02-67,139.88

Finding the Fourth Proportional to 134,811.80, 201,947.02 and 67,139.88

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Solution

The fourth proportional to 134,811.80, 201,947.02 and 67,139.88 is: 100,575.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,811.80 : 201,947.02 = 67,139.88 : x
  2. Step 2: Convert to fraction form
    134,811.80/201,947.02 = 67,139.88/x
  3. Step 3: Cross multiply
    134,811.80x = 201,947.02 × 67,139.88
  4. Step 4: Simplify right side
    134,811.80x = 13,558,698,689.16
  5. Step 5: Solve for x
    x = 13,558,698,689.16/134,811.80
  6. Step 6: Final answer
    x = 100,575.01

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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.