Home / 146,022.60-219,033.90-90,726.60

Finding the Fourth Proportional to 146,022.60, 219,033.90 and 90,726.60

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Solution

The fourth proportional to 146,022.60, 219,033.90 and 90,726.60 is: 136,089.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,022.60 : 219,033.90 = 90,726.60 : x
  2. Step 2: Convert to fraction form
    146,022.60/219,033.90 = 90,726.60/x
  3. Step 3: Cross multiply
    146,022.60x = 219,033.90 × 90,726.60
  4. Step 4: Simplify right side
    146,022.60x = 19,872,201,031.74
  5. Step 5: Solve for x
    x = 19,872,201,031.74/146,022.60
  6. Step 6: Final answer
    x = 136,089.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.