Home / 163,273.55-225,297.08-90,666.57

Finding the Fourth Proportional to 163,273.55, 225,297.08 and 90,666.57

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Solution

The fourth proportional to 163,273.55, 225,297.08 and 90,666.57 is: 125,108.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,273.55 : 225,297.08 = 90,666.57 : x
  2. Step 2: Convert to fraction form
    163,273.55/225,297.08 = 90,666.57/x
  3. Step 3: Cross multiply
    163,273.55x = 225,297.08 × 90,666.57
  4. Step 4: Simplify right side
    163,273.55x = 20,426,913,474.62
  5. Step 5: Solve for x
    x = 20,426,913,474.62/163,273.55
  6. Step 6: Final answer
    x = 125,108.53

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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.