Home / 145,197.31-217,804.17-51,703.06

Finding the Fourth Proportional to 145,197.31, 217,804.17 and 51,703.06

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Solution

The fourth proportional to 145,197.31, 217,804.17 and 51,703.06 is: 77,557.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,197.31 : 217,804.17 = 51,703.06 : x
  2. Step 2: Convert to fraction form
    145,197.31/217,804.17 = 51,703.06/x
  3. Step 3: Cross multiply
    145,197.31x = 217,804.17 × 51,703.06
  4. Step 4: Simplify right side
    145,197.31x = 11,261,142,069.76
  5. Step 5: Solve for x
    x = 11,261,142,069.76/145,197.31
  6. Step 6: Final answer
    x = 77,557.51

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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.