Home / 134,012.68-201,048.18-40,516

Finding the Fourth Proportional to 134,012.68, 201,048.18 and 40,516

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Solution

The fourth proportional to 134,012.68, 201,048.18 and 40,516 is: 60,782.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,012.68 : 201,048.18 = 40,516 : x
  2. Step 2: Convert to fraction form
    134,012.68/201,048.18 = 40,516/x
  3. Step 3: Cross multiply
    134,012.68x = 201,048.18 × 40,516
  4. Step 4: Simplify right side
    134,012.68x = 8,145,668,060.88
  5. Step 5: Solve for x
    x = 8,145,668,060.88/134,012.68
  6. Step 6: Final answer
    x = 60,782.82

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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.