Home / 140,861.10-210,035.28-125,213.10

Finding the Fourth Proportional to 140,861.10, 210,035.28 and 125,213.10

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Solution

The fourth proportional to 140,861.10, 210,035.28 and 125,213.10 is: 186,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,861.10 : 210,035.28 = 125,213.10 : x
  2. Step 2: Convert to fraction form
    140,861.10/210,035.28 = 125,213.10/x
  3. Step 3: Cross multiply
    140,861.10x = 210,035.28 × 125,213.10
  4. Step 4: Simplify right side
    140,861.10x = 26,299,168,518.17
  5. Step 5: Solve for x
    x = 26,299,168,518.17/140,861.10
  6. Step 6: Final answer
    x = 186,702.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.