Home / 153,305.06-211,379.99-104,930.29

Finding the Fourth Proportional to 153,305.06, 211,379.99 and 104,930.29

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Solution

The fourth proportional to 153,305.06, 211,379.99 and 104,930.29 is: 144,679.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,305.06 : 211,379.99 = 104,930.29 : x
  2. Step 2: Convert to fraction form
    153,305.06/211,379.99 = 104,930.29/x
  3. Step 3: Cross multiply
    153,305.06x = 211,379.99 × 104,930.29
  4. Step 4: Simplify right side
    153,305.06x = 22,180,162,597.80
  5. Step 5: Solve for x
    x = 22,180,162,597.80/153,305.06
  6. Step 6: Final answer
    x = 144,679.91

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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.