Home / 175,931.46-242,782.79-99,447.87

Finding the Fourth Proportional to 175,931.46, 242,782.79 and 99,447.87

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Solution

The fourth proportional to 175,931.46, 242,782.79 and 99,447.87 is: 137,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,931.46 : 242,782.79 = 99,447.87 : x
  2. Step 2: Convert to fraction form
    175,931.46/242,782.79 = 99,447.87/x
  3. Step 3: Cross multiply
    175,931.46x = 242,782.79 × 99,447.87
  4. Step 4: Simplify right side
    175,931.46x = 24,144,231,338.16
  5. Step 5: Solve for x
    x = 24,144,231,338.16/175,931.46
  6. Step 6: Final answer
    x = 137,236.58

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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.