Home / 178,878.30-246,856.60-98,307.88

Finding the Fourth Proportional to 178,878.30, 246,856.60 and 98,307.88

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Solution

The fourth proportional to 178,878.30, 246,856.60 and 98,307.88 is: 135,667.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,878.30 : 246,856.60 = 98,307.88 : x
  2. Step 2: Convert to fraction form
    178,878.30/246,856.60 = 98,307.88/x
  3. Step 3: Cross multiply
    178,878.30x = 246,856.60 × 98,307.88
  4. Step 4: Simplify right side
    178,878.30x = 24,267,949,010.01
  5. Step 5: Solve for x
    x = 24,267,949,010.01/178,878.30
  6. Step 6: Final answer
    x = 135,667.37

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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.