Home / 145,795.10-218,759.29-65,854.44

Finding the Fourth Proportional to 145,795.10, 218,759.29 and 65,854.44

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Solution

The fourth proportional to 145,795.10, 218,759.29 and 65,854.44 is: 98,811.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,795.10 : 218,759.29 = 65,854.44 : x
  2. Step 2: Convert to fraction form
    145,795.10/218,759.29 = 65,854.44/x
  3. Step 3: Cross multiply
    145,795.10x = 218,759.29 × 65,854.44
  4. Step 4: Simplify right side
    145,795.10x = 14,406,270,208.48
  5. Step 5: Solve for x
    x = 14,406,270,208.48/145,795.10
  6. Step 6: Final answer
    x = 98,811.76

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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.