Home / 163,632.40-245,449.20-49,781.32

Finding the Fourth Proportional to 163,632.40, 245,449.20 and 49,781.32

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Solution

The fourth proportional to 163,632.40, 245,449.20 and 49,781.32 is: 74,672.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,632.40 : 245,449.20 = 49,781.32 : x
  2. Step 2: Convert to fraction form
    163,632.40/245,449.20 = 49,781.32/x
  3. Step 3: Cross multiply
    163,632.40x = 245,449.20 × 49,781.32
  4. Step 4: Simplify right side
    163,632.40x = 12,218,785,168.94
  5. Step 5: Solve for x
    x = 12,218,785,168.94/163,632.40
  6. Step 6: Final answer
    x = 74,672.16

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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.