Home / 117,533.46-161,827.42-103,721.53

Finding the Fourth Proportional to 117,533.46, 161,827.42 and 103,721.53

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Solution

The fourth proportional to 117,533.46, 161,827.42 and 103,721.53 is: 142,810.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,533.46 : 161,827.42 = 103,721.53 : x
  2. Step 2: Convert to fraction form
    117,533.46/161,827.42 = 103,721.53/x
  3. Step 3: Cross multiply
    117,533.46x = 161,827.42 × 103,721.53
  4. Step 4: Simplify right side
    117,533.46x = 16,784,987,598.35
  5. Step 5: Solve for x
    x = 16,784,987,598.35/117,533.46
  6. Step 6: Final answer
    x = 142,810.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.