Home / 240,619.47-332,089.80-138,625.08

Finding the Fourth Proportional to 240,619.47, 332,089.80 and 138,625.08

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Solution

The fourth proportional to 240,619.47, 332,089.80 and 138,625.08 is: 191,322.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,619.47 : 332,089.80 = 138,625.08 : x
  2. Step 2: Convert to fraction form
    240,619.47/332,089.80 = 138,625.08/x
  3. Step 3: Cross multiply
    240,619.47x = 332,089.80 × 138,625.08
  4. Step 4: Simplify right side
    240,619.47x = 46,035,975,092.18
  5. Step 5: Solve for x
    x = 46,035,975,092.18/240,619.47
  6. Step 6: Final answer
    x = 191,322.73

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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.