Home / 104,514.88-156,574.72-81,026.24

Finding the Fourth Proportional to 104,514.88, 156,574.72 and 81,026.24

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Solution

The fourth proportional to 104,514.88, 156,574.72 and 81,026.24 is: 121,386.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,514.88 : 156,574.72 = 81,026.24 : x
  2. Step 2: Convert to fraction form
    104,514.88/156,574.72 = 81,026.24/x
  3. Step 3: Cross multiply
    104,514.88x = 156,574.72 × 81,026.24
  4. Step 4: Simplify right side
    104,514.88x = 12,686,660,840.65
  5. Step 5: Solve for x
    x = 12,686,660,840.65/104,514.88
  6. Step 6: Final answer
    x = 121,386.17

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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.