Home / 158,087.28-218,143.80-94,416.24

Finding the Fourth Proportional to 158,087.28, 218,143.80 and 94,416.24

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Solution

The fourth proportional to 158,087.28, 218,143.80 and 94,416.24 is: 130,284.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,087.28 : 218,143.80 = 94,416.24 : x
  2. Step 2: Convert to fraction form
    158,087.28/218,143.80 = 94,416.24/x
  3. Step 3: Cross multiply
    158,087.28x = 218,143.80 × 94,416.24
  4. Step 4: Simplify right side
    158,087.28x = 20,596,317,375.31
  5. Step 5: Solve for x
    x = 20,596,317,375.31/158,087.28
  6. Step 6: Final answer
    x = 130,284.47

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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.