Home / 134,946.30-202,095.45-72,479.10

Finding the Fourth Proportional to 134,946.30, 202,095.45 and 72,479.10

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Solution

The fourth proportional to 134,946.30, 202,095.45 and 72,479.10 is: 108,544.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,946.30 : 202,095.45 = 72,479.10 : x
  2. Step 2: Convert to fraction form
    134,946.30/202,095.45 = 72,479.10/x
  3. Step 3: Cross multiply
    134,946.30x = 202,095.45 × 72,479.10
  4. Step 4: Simplify right side
    134,946.30x = 14,647,696,330.10
  5. Step 5: Solve for x
    x = 14,647,696,330.10/134,946.30
  6. Step 6: Final answer
    x = 108,544.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.