Home / 178,817.21-246,876.12-118,439.61

Finding the Fourth Proportional to 178,817.21, 246,876.12 and 118,439.61

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Solution

The fourth proportional to 178,817.21, 246,876.12 and 118,439.61 is: 163,518.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,817.21 : 246,876.12 = 118,439.61 : x
  2. Step 2: Convert to fraction form
    178,817.21/246,876.12 = 118,439.61/x
  3. Step 3: Cross multiply
    178,817.21x = 246,876.12 × 118,439.61
  4. Step 4: Simplify right side
    178,817.21x = 29,239,911,371.11
  5. Step 5: Solve for x
    x = 29,239,911,371.11/178,817.21
  6. Step 6: Final answer
    x = 163,518.44

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1.5x scale

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.