Home / 163,439.79-225,025.52-139,470.27

Finding the Fourth Proportional to 163,439.79, 225,025.52 and 139,470.27

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Solution

The fourth proportional to 163,439.79, 225,025.52 and 139,470.27 is: 192,024.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,439.79 : 225,025.52 = 139,470.27 : x
  2. Step 2: Convert to fraction form
    163,439.79/225,025.52 = 139,470.27/x
  3. Step 3: Cross multiply
    163,439.79x = 225,025.52 × 139,470.27
  4. Step 4: Simplify right side
    163,439.79x = 31,384,370,031.29
  5. Step 5: Solve for x
    x = 31,384,370,031.29/163,439.79
  6. Step 6: Final answer
    x = 192,024.05

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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.