Home / 210,005.67-315,009.63-52,234.13

Finding the Fourth Proportional to 210,005.67, 315,009.63 and 52,234.13

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Solution

The fourth proportional to 210,005.67, 315,009.63 and 52,234.13 is: 78,351.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,005.67 : 315,009.63 = 52,234.13 : x
  2. Step 2: Convert to fraction form
    210,005.67/315,009.63 = 52,234.13/x
  3. Step 3: Cross multiply
    210,005.67x = 315,009.63 × 52,234.13
  4. Step 4: Simplify right side
    210,005.67x = 16,454,252,389.62
  5. Step 5: Solve for x
    x = 16,454,252,389.62/210,005.67
  6. Step 6: Final answer
    x = 78,351.47

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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.