Home / 134,256.15-201,258.45-45,447.48

Finding the Fourth Proportional to 134,256.15, 201,258.45 and 45,447.48

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Solution

The fourth proportional to 134,256.15, 201,258.45 and 45,447.48 is: 68,128.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,256.15 : 201,258.45 = 45,447.48 : x
  2. Step 2: Convert to fraction form
    134,256.15/201,258.45 = 45,447.48/x
  3. Step 3: Cross multiply
    134,256.15x = 201,258.45 × 45,447.48
  4. Step 4: Simplify right side
    134,256.15x = 9,146,689,381.21
  5. Step 5: Solve for x
    x = 9,146,689,381.21/134,256.15
  6. Step 6: Final answer
    x = 68,128.64

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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.