Home / 210,011.11-314,889.96-83,670.85

Finding the Fourth Proportional to 210,011.11, 314,889.96 and 83,670.85

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Solution

The fourth proportional to 210,011.11, 314,889.96 and 83,670.85 is: 125,455.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,011.11 : 314,889.96 = 83,670.85 : x
  2. Step 2: Convert to fraction form
    210,011.11/314,889.96 = 83,670.85/x
  3. Step 3: Cross multiply
    210,011.11x = 314,889.96 × 83,670.85
  4. Step 4: Simplify right side
    210,011.11x = 26,347,110,609.67
  5. Step 5: Solve for x
    x = 26,347,110,609.67/210,011.11
  6. Step 6: Final answer
    x = 125,455.79

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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.