Home / 131,552.52-181,559.10-86,268.60

Finding the Fourth Proportional to 131,552.52, 181,559.10 and 86,268.60

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Solution

The fourth proportional to 131,552.52, 181,559.10 and 86,268.60 is: 119,061.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,552.52 : 181,559.10 = 86,268.60 : x
  2. Step 2: Convert to fraction form
    131,552.52/181,559.10 = 86,268.60/x
  3. Step 3: Cross multiply
    131,552.52x = 181,559.10 × 86,268.60
  4. Step 4: Simplify right side
    131,552.52x = 15,662,849,374.26
  5. Step 5: Solve for x
    x = 15,662,849,374.26/131,552.52
  6. Step 6: Final answer
    x = 119,061.57

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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.