Home / 134,177.16-201,253.98-45,428.64

Finding the Fourth Proportional to 134,177.16, 201,253.98 and 45,428.64

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Solution

The fourth proportional to 134,177.16, 201,253.98 and 45,428.64 is: 68,138.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,177.16 : 201,253.98 = 45,428.64 : x
  2. Step 2: Convert to fraction form
    134,177.16/201,253.98 = 45,428.64/x
  3. Step 3: Cross multiply
    134,177.16x = 201,253.98 × 45,428.64
  4. Step 4: Simplify right side
    134,177.16x = 9,142,694,605.99
  5. Step 5: Solve for x
    x = 9,142,694,605.99/134,177.16
  6. Step 6: Final answer
    x = 68,138.98

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1.5x scale

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.