Home / 260,895.10-391,391.81-98,837.69

Finding the Fourth Proportional to 260,895.10, 391,391.81 and 98,837.69

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Solution

The fourth proportional to 260,895.10, 391,391.81 and 98,837.69 is: 148,275.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,895.10 : 391,391.81 = 98,837.69 : x
  2. Step 2: Convert to fraction form
    260,895.10/391,391.81 = 98,837.69/x
  3. Step 3: Cross multiply
    260,895.10x = 391,391.81 × 98,837.69
  4. Step 4: Simplify right side
    260,895.10x = 38,684,262,385.32
  5. Step 5: Solve for x
    x = 38,684,262,385.32/260,895.10
  6. Step 6: Final answer
    x = 148,275.16

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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.