Home / 207,614.08-286,507.42-112,120.78

Finding the Fourth Proportional to 207,614.08, 286,507.42 and 112,120.78

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Solution

The fourth proportional to 207,614.08, 286,507.42 and 112,120.78 is: 154,726.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,614.08 : 286,507.42 = 112,120.78 : x
  2. Step 2: Convert to fraction form
    207,614.08/286,507.42 = 112,120.78/x
  3. Step 3: Cross multiply
    207,614.08x = 286,507.42 × 112,120.78
  4. Step 4: Simplify right side
    207,614.08x = 32,123,435,406.19
  5. Step 5: Solve for x
    x = 32,123,435,406.19/207,614.08
  6. Step 6: Final answer
    x = 154,726.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.