Home / 163,039.56-224,994.38-90,453.46

Finding the Fourth Proportional to 163,039.56, 224,994.38 and 90,453.46

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Solution

The fourth proportional to 163,039.56, 224,994.38 and 90,453.46 is: 124,825.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,039.56 : 224,994.38 = 90,453.46 : x
  2. Step 2: Convert to fraction form
    163,039.56/224,994.38 = 90,453.46/x
  3. Step 3: Cross multiply
    163,039.56x = 224,994.38 × 90,453.46
  4. Step 4: Simplify right side
    163,039.56x = 20,351,520,151.55
  5. Step 5: Solve for x
    x = 20,351,520,151.55/163,039.56
  6. Step 6: Final answer
    x = 124,825.66

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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.