Home / 131,798.52-181,877.94-75,207.06

Finding the Fourth Proportional to 131,798.52, 181,877.94 and 75,207.06

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Solution

The fourth proportional to 131,798.52, 181,877.94 and 75,207.06 is: 103,783.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,798.52 : 181,877.94 = 75,207.06 : x
  2. Step 2: Convert to fraction form
    131,798.52/181,877.94 = 75,207.06/x
  3. Step 3: Cross multiply
    131,798.52x = 181,877.94 × 75,207.06
  4. Step 4: Simplify right side
    131,798.52x = 13,678,505,146.26
  5. Step 5: Solve for x
    x = 13,678,505,146.26/131,798.52
  6. Step 6: Final answer
    x = 103,783.45

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1.5x scale

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.