Home / 146,768.90-220,153.35-129,856.10

Finding the Fourth Proportional to 146,768.90, 220,153.35 and 129,856.10

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Solution

The fourth proportional to 146,768.90, 220,153.35 and 129,856.10 is: 194,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,768.90 : 220,153.35 = 129,856.10 : x
  2. Step 2: Convert to fraction form
    146,768.90/220,153.35 = 129,856.10/x
  3. Step 3: Cross multiply
    146,768.90x = 220,153.35 × 129,856.10
  4. Step 4: Simplify right side
    146,768.90x = 28,588,255,432.94
  5. Step 5: Solve for x
    x = 28,588,255,432.94/146,768.90
  6. Step 6: Final answer
    x = 194,784.15

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1.5x scale

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.