Home / 138,289.29-207,483.75-48,345.27

Finding the Fourth Proportional to 138,289.29, 207,483.75 and 48,345.27

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Solution

The fourth proportional to 138,289.29, 207,483.75 and 48,345.27 is: 72,535.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,289.29 : 207,483.75 = 48,345.27 : x
  2. Step 2: Convert to fraction form
    138,289.29/207,483.75 = 48,345.27/x
  3. Step 3: Cross multiply
    138,289.29x = 207,483.75 × 48,345.27
  4. Step 4: Simplify right side
    138,289.29x = 10,030,857,914.36
  5. Step 5: Solve for x
    x = 10,030,857,914.36/138,289.29
  6. Step 6: Final answer
    x = 72,535.32

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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.