Home / 163,614.50-245,424.78-51,292.20

Finding the Fourth Proportional to 163,614.50, 245,424.78 and 51,292.20

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Solution

The fourth proportional to 163,614.50, 245,424.78 and 51,292.20 is: 76,939.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,614.50 : 245,424.78 = 51,292.20 : x
  2. Step 2: Convert to fraction form
    163,614.50/245,424.78 = 51,292.20/x
  3. Step 3: Cross multiply
    163,614.50x = 245,424.78 × 51,292.20
  4. Step 4: Simplify right side
    163,614.50x = 12,588,376,900.72
  5. Step 5: Solve for x
    x = 12,588,376,900.72/163,614.50
  6. Step 6: Final answer
    x = 76,939.25

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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.