Home / 158,346.59-218,521.83-90,362.21

Finding the Fourth Proportional to 158,346.59, 218,521.83 and 90,362.21

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Solution

The fourth proportional to 158,346.59, 218,521.83 and 90,362.21 is: 124,701.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,346.59 : 218,521.83 = 90,362.21 : x
  2. Step 2: Convert to fraction form
    158,346.59/218,521.83 = 90,362.21/x
  3. Step 3: Cross multiply
    158,346.59x = 218,521.83 × 90,362.21
  4. Step 4: Simplify right side
    158,346.59x = 19,746,114,399.44
  5. Step 5: Solve for x
    x = 19,746,114,399.44/158,346.59
  6. Step 6: Final answer
    x = 124,701.86

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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.