Home / 99,474.64-137,274.61-54,152.45

Finding the Fourth Proportional to 99,474.64, 137,274.61 and 54,152.45

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Solution

The fourth proportional to 99,474.64, 137,274.61 and 54,152.45 is: 74,730.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,474.64 : 137,274.61 = 54,152.45 : x
  2. Step 2: Convert to fraction form
    99,474.64/137,274.61 = 54,152.45/x
  3. Step 3: Cross multiply
    99,474.64x = 137,274.61 × 54,152.45
  4. Step 4: Simplify right side
    99,474.64x = 7,433,756,454.29
  5. Step 5: Solve for x
    x = 7,433,756,454.29/99,474.64
  6. Step 6: Final answer
    x = 74,730.17

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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.