Home / 210,944.72-316,416.60-53,185.52

Finding the Fourth Proportional to 210,944.72, 316,416.60 and 53,185.52

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Solution

The fourth proportional to 210,944.72, 316,416.60 and 53,185.52 is: 79,778.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,944.72 : 316,416.60 = 53,185.52 : x
  2. Step 2: Convert to fraction form
    210,944.72/316,416.60 = 53,185.52/x
  3. Step 3: Cross multiply
    210,944.72x = 316,416.60 × 53,185.52
  4. Step 4: Simplify right side
    210,944.72x = 16,828,781,407.63
  5. Step 5: Solve for x
    x = 16,828,781,407.63/210,944.72
  6. Step 6: Final answer
    x = 79,778.16

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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.