Home / 131,567.06-181,557.66-74,967.50

Finding the Fourth Proportional to 131,567.06, 181,557.66 and 74,967.50

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Solution

The fourth proportional to 131,567.06, 181,557.66 and 74,967.50 is: 103,452.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,567.06 : 181,557.66 = 74,967.50 : x
  2. Step 2: Convert to fraction form
    131,567.06/181,557.66 = 74,967.50/x
  3. Step 3: Cross multiply
    131,567.06x = 181,557.66 × 74,967.50
  4. Step 4: Simplify right side
    131,567.06x = 13,610,923,876.05
  5. Step 5: Solve for x
    x = 13,610,923,876.05/131,567.06
  6. Step 6: Final answer
    x = 103,452.37

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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.