Home / 145,904.84-218,955.71-57,147.27

Finding the Fourth Proportional to 145,904.84, 218,955.71 and 57,147.27

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Solution

The fourth proportional to 145,904.84, 218,955.71 and 57,147.27 is: 85,759.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,904.84 : 218,955.71 = 57,147.27 : x
  2. Step 2: Convert to fraction form
    145,904.84/218,955.71 = 57,147.27/x
  3. Step 3: Cross multiply
    145,904.84x = 218,955.71 × 57,147.27
  4. Step 4: Simplify right side
    145,904.84x = 12,512,721,220.28
  5. Step 5: Solve for x
    x = 12,512,721,220.28/145,904.84
  6. Step 6: Final answer
    x = 85,759.46

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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.