Home / 134,180.16-201,258.48-45,431.64

Finding the Fourth Proportional to 134,180.16, 201,258.48 and 45,431.64

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Solution

The fourth proportional to 134,180.16, 201,258.48 and 45,431.64 is: 68,143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,180.16 : 201,258.48 = 45,431.64 : x
  2. Step 2: Convert to fraction form
    134,180.16/201,258.48 = 45,431.64/x
  3. Step 3: Cross multiply
    134,180.16x = 201,258.48 × 45,431.64
  4. Step 4: Simplify right side
    134,180.16x = 9,143,502,810.31
  5. Step 5: Solve for x
    x = 9,143,502,810.31/134,180.16
  6. Step 6: Final answer
    x = 68,143.48

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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.