Home / 210,176.12-315,279.70-60,410.36

Finding the Fourth Proportional to 210,176.12, 315,279.70 and 60,410.36

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Solution

The fourth proportional to 210,176.12, 315,279.70 and 60,410.36 is: 90,620.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,176.12 : 315,279.70 = 60,410.36 : x
  2. Step 2: Convert to fraction form
    210,176.12/315,279.70 = 60,410.36/x
  3. Step 3: Cross multiply
    210,176.12x = 315,279.70 × 60,410.36
  4. Step 4: Simplify right side
    210,176.12x = 19,046,160,177.69
  5. Step 5: Solve for x
    x = 19,046,160,177.69/210,176.12
  6. Step 6: Final answer
    x = 90,620.00

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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.