Home / 255,695.06-383,636.10-118,983.36

Finding the Fourth Proportional to 255,695.06, 383,636.10 and 118,983.36

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Solution

The fourth proportional to 255,695.06, 383,636.10 and 118,983.36 is: 178,518.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,695.06 : 383,636.10 = 118,983.36 : x
  2. Step 2: Convert to fraction form
    255,695.06/383,636.10 = 118,983.36/x
  3. Step 3: Cross multiply
    255,695.06x = 383,636.10 × 118,983.36
  4. Step 4: Simplify right side
    255,695.06x = 45,646,312,195.30
  5. Step 5: Solve for x
    x = 45,646,312,195.30/255,695.06
  6. Step 6: Final answer
    x = 178,518.56

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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.