Home / 131,564.00-181,554.18-74,220.86

Finding the Fourth Proportional to 131,564.00, 181,554.18 and 74,220.86

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Solution

The fourth proportional to 131,564.00, 181,554.18 and 74,220.86 is: 102,422.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,564.00 : 181,554.18 = 74,220.86 : x
  2. Step 2: Convert to fraction form
    131,564.00/181,554.18 = 74,220.86/x
  3. Step 3: Cross multiply
    131,564.00x = 181,554.18 × 74,220.86
  4. Step 4: Simplify right side
    131,564.00x = 13,475,106,468.42
  5. Step 5: Solve for x
    x = 13,475,106,468.42/131,564.00
  6. Step 6: Final answer
    x = 102,422.45

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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.