Home / 130,268.31-179,773.49-72,907.19

Finding the Fourth Proportional to 130,268.31, 179,773.49 and 72,907.19

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Solution

The fourth proportional to 130,268.31, 179,773.49 and 72,907.19 is: 100,613.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,268.31 : 179,773.49 = 72,907.19 : x
  2. Step 2: Convert to fraction form
    130,268.31/179,773.49 = 72,907.19/x
  3. Step 3: Cross multiply
    130,268.31x = 179,773.49 × 72,907.19
  4. Step 4: Simplify right side
    130,268.31x = 13,106,778,728.99
  5. Step 5: Solve for x
    x = 13,106,778,728.99/130,268.31
  6. Step 6: Final answer
    x = 100,613.72

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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.