Home / 229,763.58-317,049.55-127,772.53

Finding the Fourth Proportional to 229,763.58, 317,049.55 and 127,772.53

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Solution

The fourth proportional to 229,763.58, 317,049.55 and 127,772.53 is: 176,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,763.58 : 317,049.55 = 127,772.53 : x
  2. Step 2: Convert to fraction form
    229,763.58/317,049.55 = 127,772.53/x
  3. Step 3: Cross multiply
    229,763.58x = 317,049.55 × 127,772.53
  4. Step 4: Simplify right side
    229,763.58x = 40,510,223,138.86
  5. Step 5: Solve for x
    x = 40,510,223,138.86/229,763.58
  6. Step 6: Final answer
    x = 176,312.64

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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.