Home / 158,334.55-218,447.38-90,302.60

Finding the Fourth Proportional to 158,334.55, 218,447.38 and 90,302.60

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Solution

The fourth proportional to 158,334.55, 218,447.38 and 90,302.60 is: 124,586.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,334.55 : 218,447.38 = 90,302.60 : x
  2. Step 2: Convert to fraction form
    158,334.55/218,447.38 = 90,302.60/x
  3. Step 3: Cross multiply
    158,334.55x = 218,447.38 × 90,302.60
  4. Step 4: Simplify right side
    158,334.55x = 19,726,365,807.42
  5. Step 5: Solve for x
    x = 19,726,365,807.42/158,334.55
  6. Step 6: Final answer
    x = 124,586.62

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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.