Home / 99,597.69-137,441.32-54,274.75

Finding the Fourth Proportional to 99,597.69, 137,441.32 and 54,274.75

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Solution

The fourth proportional to 99,597.69, 137,441.32 and 54,274.75 is: 74,897.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,597.69 : 137,441.32 = 54,274.75 : x
  2. Step 2: Convert to fraction form
    99,597.69/137,441.32 = 54,274.75/x
  3. Step 3: Cross multiply
    99,597.69x = 137,441.32 × 54,274.75
  4. Step 4: Simplify right side
    99,597.69x = 7,459,593,282.67
  5. Step 5: Solve for x
    x = 7,459,593,282.67/99,597.69
  6. Step 6: Final answer
    x = 74,897.25

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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.