Home / 134,176.64-201,252.62-45,420

Finding the Fourth Proportional to 134,176.64, 201,252.62 and 45,420

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Solution

The fourth proportional to 134,176.64, 201,252.62 and 45,420 is: 68,125.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,176.64 : 201,252.62 = 45,420 : x
  2. Step 2: Convert to fraction form
    134,176.64/201,252.62 = 45,420/x
  3. Step 3: Cross multiply
    134,176.64x = 201,252.62 × 45,420
  4. Step 4: Simplify right side
    134,176.64x = 9,140,894,000.40
  5. Step 5: Solve for x
    x = 9,140,894,000.40/134,176.64
  6. Step 6: Final answer
    x = 68,125.82

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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.