Home / 152,015.42-227,800.64-85,585.16

Finding the Fourth Proportional to 152,015.42, 227,800.64 and 85,585.16

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Solution

The fourth proportional to 152,015.42, 227,800.64 and 85,585.16 is: 128,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,015.42 : 227,800.64 = 85,585.16 : x
  2. Step 2: Convert to fraction form
    152,015.42/227,800.64 = 85,585.16/x
  3. Step 3: Cross multiply
    152,015.42x = 227,800.64 × 85,585.16
  4. Step 4: Simplify right side
    152,015.42x = 19,496,353,297.46
  5. Step 5: Solve for x
    x = 19,496,353,297.46/152,015.42
  6. Step 6: Final answer
    x = 128,252.48

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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.