Home / 163,273.50-225,423.69-99,648.18

Finding the Fourth Proportional to 163,273.50, 225,423.69 and 99,648.18

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Solution

The fourth proportional to 163,273.50, 225,423.69 and 99,648.18 is: 137,579.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,273.50 : 225,423.69 = 99,648.18 : x
  2. Step 2: Convert to fraction form
    163,273.50/225,423.69 = 99,648.18/x
  3. Step 3: Cross multiply
    163,273.50x = 225,423.69 × 99,648.18
  4. Step 4: Simplify right side
    163,273.50x = 22,463,060,437.38
  5. Step 5: Solve for x
    x = 22,463,060,437.38/163,273.50
  6. Step 6: Final answer
    x = 137,579.34

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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.