Home / 161,628.41-223,049.40-90,010.24

Finding the Fourth Proportional to 161,628.41, 223,049.40 and 90,010.24

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Solution

The fourth proportional to 161,628.41, 223,049.40 and 90,010.24 is: 124,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,628.41 : 223,049.40 = 90,010.24 : x
  2. Step 2: Convert to fraction form
    161,628.41/223,049.40 = 90,010.24/x
  3. Step 3: Cross multiply
    161,628.41x = 223,049.40 × 90,010.24
  4. Step 4: Simplify right side
    161,628.41x = 20,076,729,130.69
  5. Step 5: Solve for x
    x = 20,076,729,130.69/161,628.41
  6. Step 6: Final answer
    x = 124,215.35

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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.