Home / 105,875.48-146,053.04-85,755.08

Finding the Fourth Proportional to 105,875.48, 146,053.04 and 85,755.08

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Solution

The fourth proportional to 105,875.48, 146,053.04 and 85,755.08 is: 118,297.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,875.48 : 146,053.04 = 85,755.08 : x
  2. Step 2: Convert to fraction form
    105,875.48/146,053.04 = 85,755.08/x
  3. Step 3: Cross multiply
    105,875.48x = 146,053.04 × 85,755.08
  4. Step 4: Simplify right side
    105,875.48x = 12,524,790,129.44
  5. Step 5: Solve for x
    x = 12,524,790,129.44/105,875.48
  6. Step 6: Final answer
    x = 118,297.36

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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.