Home / 108,053.12-149,121.75-60,313.65

Finding the Fourth Proportional to 108,053.12, 149,121.75 and 60,313.65

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Solution

The fourth proportional to 108,053.12, 149,121.75 and 60,313.65 is: 83,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,053.12 : 149,121.75 = 60,313.65 : x
  2. Step 2: Convert to fraction form
    108,053.12/149,121.75 = 60,313.65/x
  3. Step 3: Cross multiply
    108,053.12x = 149,121.75 × 60,313.65
  4. Step 4: Simplify right side
    108,053.12x = 8,994,077,036.89
  5. Step 5: Solve for x
    x = 8,994,077,036.89/108,053.12
  6. Step 6: Final answer
    x = 83,237.55

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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.