Home / 140,069.25-210,105.70-46,575

Finding the Fourth Proportional to 140,069.25, 210,105.70 and 46,575

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Solution

The fourth proportional to 140,069.25, 210,105.70 and 46,575 is: 69,863.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,069.25 : 210,105.70 = 46,575 : x
  2. Step 2: Convert to fraction form
    140,069.25/210,105.70 = 46,575/x
  3. Step 3: Cross multiply
    140,069.25x = 210,105.70 × 46,575
  4. Step 4: Simplify right side
    140,069.25x = 9,785,672,861.06
  5. Step 5: Solve for x
    x = 9,785,672,861.06/140,069.25
  6. Step 6: Final answer
    x = 69,863.11

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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.