Home / 134,085.80-201,069.30-45,315.20

Finding the Fourth Proportional to 134,085.80, 201,069.30 and 45,315.20

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Solution

The fourth proportional to 134,085.80, 201,069.30 and 45,315.20 is: 67,952.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,085.80 : 201,069.30 = 45,315.20 : x
  2. Step 2: Convert to fraction form
    134,085.80/201,069.30 = 45,315.20/x
  3. Step 3: Cross multiply
    134,085.80x = 201,069.30 × 45,315.20
  4. Step 4: Simplify right side
    134,085.80x = 9,111,495,543.36
  5. Step 5: Solve for x
    x = 9,111,495,543.36/134,085.80
  6. Step 6: Final answer
    x = 67,952.73

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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.