Home / 102,215.36-141,017.91-75,421.73

Finding the Fourth Proportional to 102,215.36, 141,017.91 and 75,421.73

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Solution

The fourth proportional to 102,215.36, 141,017.91 and 75,421.73 is: 104,053.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,215.36 : 141,017.91 = 75,421.73 : x
  2. Step 2: Convert to fraction form
    102,215.36/141,017.91 = 75,421.73/x
  3. Step 3: Cross multiply
    102,215.36x = 141,017.91 × 75,421.73
  4. Step 4: Simplify right side
    102,215.36x = 10,635,814,733.18
  5. Step 5: Solve for x
    x = 10,635,814,733.18/102,215.36
  6. Step 6: Final answer
    x = 104,053.00

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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.