Home / 145,743.93-218,567.07-55,765.71

Finding the Fourth Proportional to 145,743.93, 218,567.07 and 55,765.71

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Solution

The fourth proportional to 145,743.93, 218,567.07 and 55,765.71 is: 83,629.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,743.93 : 218,567.07 = 55,765.71 : x
  2. Step 2: Convert to fraction form
    145,743.93/218,567.07 = 55,765.71/x
  3. Step 3: Cross multiply
    145,743.93x = 218,567.07 × 55,765.71
  4. Step 4: Simplify right side
    145,743.93x = 12,188,547,841.17
  5. Step 5: Solve for x
    x = 12,188,547,841.17/145,743.93
  6. Step 6: Final answer
    x = 83,629.88

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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.