Home / 145,860.96-218,877.54-61,615.66

Finding the Fourth Proportional to 145,860.96, 218,877.54 and 61,615.66

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Solution

The fourth proportional to 145,860.96, 218,877.54 and 61,615.66 is: 92,459.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,860.96 : 218,877.54 = 61,615.66 : x
  2. Step 2: Convert to fraction form
    145,860.96/218,877.54 = 61,615.66/x
  3. Step 3: Cross multiply
    145,860.96x = 218,877.54 × 61,615.66
  4. Step 4: Simplify right side
    145,860.96x = 13,486,284,086.28
  5. Step 5: Solve for x
    x = 13,486,284,086.28/145,860.96
  6. Step 6: Final answer
    x = 92,459.86

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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.