Home / 163,617.50-245,429.28-51,295.20

Finding the Fourth Proportional to 163,617.50, 245,429.28 and 51,295.20

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Solution

The fourth proportional to 163,617.50, 245,429.28 and 51,295.20 is: 76,943.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,617.50 : 245,429.28 = 51,295.20 : x
  2. Step 2: Convert to fraction form
    163,617.50/245,429.28 = 51,295.20/x
  3. Step 3: Cross multiply
    163,617.50x = 245,429.28 × 51,295.20
  4. Step 4: Simplify right side
    163,617.50x = 12,589,344,003.46
  5. Step 5: Solve for x
    x = 12,589,344,003.46/163,617.50
  6. Step 6: Final answer
    x = 76,943.75

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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.