Home / 134,883.60-202,544.10-90,706.20

Finding the Fourth Proportional to 134,883.60, 202,544.10 and 90,706.20

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Solution

The fourth proportional to 134,883.60, 202,544.10 and 90,706.20 is: 136,206.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,883.60 : 202,544.10 = 90,706.20 : x
  2. Step 2: Convert to fraction form
    134,883.60/202,544.10 = 90,706.20/x
  3. Step 3: Cross multiply
    134,883.60x = 202,544.10 × 90,706.20
  4. Step 4: Simplify right side
    134,883.60x = 18,372,005,643.42
  5. Step 5: Solve for x
    x = 18,372,005,643.42/134,883.60
  6. Step 6: Final answer
    x = 136,206.37

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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.