Home / 210,187.10-315,291.59-52,416.92

Finding the Fourth Proportional to 210,187.10, 315,291.59 and 52,416.92

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Solution

The fourth proportional to 210,187.10, 315,291.59 and 52,416.92 is: 78,628.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,187.10 : 315,291.59 = 52,416.92 : x
  2. Step 2: Convert to fraction form
    210,187.10/315,291.59 = 52,416.92/x
  3. Step 3: Cross multiply
    210,187.10x = 315,291.59 × 52,416.92
  4. Step 4: Simplify right side
    210,187.10x = 16,526,614,772.41
  5. Step 5: Solve for x
    x = 16,526,614,772.41/210,187.10
  6. Step 6: Final answer
    x = 78,628.11

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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.