Home / 139,565.64-192,595.08-75,903.36

Finding the Fourth Proportional to 139,565.64, 192,595.08 and 75,903.36

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Solution

The fourth proportional to 139,565.64, 192,595.08 and 75,903.36 is: 104,743.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,565.64 : 192,595.08 = 75,903.36 : x
  2. Step 2: Convert to fraction form
    139,565.64/192,595.08 = 75,903.36/x
  3. Step 3: Cross multiply
    139,565.64x = 192,595.08 × 75,903.36
  4. Step 4: Simplify right side
    139,565.64x = 14,618,613,691.47
  5. Step 5: Solve for x
    x = 14,618,613,691.47/139,565.64
  6. Step 6: Final answer
    x = 104,743.64

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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.