Home / 119,285.44-164,451.72-90,086.20

Finding the Fourth Proportional to 119,285.44, 164,451.72 and 90,086.20

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Solution

The fourth proportional to 119,285.44, 164,451.72 and 90,086.20 is: 124,196.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,285.44 : 164,451.72 = 90,086.20 : x
  2. Step 2: Convert to fraction form
    119,285.44/164,451.72 = 90,086.20/x
  3. Step 3: Cross multiply
    119,285.44x = 164,451.72 × 90,086.20
  4. Step 4: Simplify right side
    119,285.44x = 14,814,830,538.26
  5. Step 5: Solve for x
    x = 14,814,830,538.26/119,285.44
  6. Step 6: Final answer
    x = 124,196.47

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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.