Home / 210,946.72-316,419.60-53,187.52

Finding the Fourth Proportional to 210,946.72, 316,419.60 and 53,187.52

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Solution

The fourth proportional to 210,946.72, 316,419.60 and 53,187.52 is: 79,781.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,946.72 : 316,419.60 = 53,187.52 : x
  2. Step 2: Convert to fraction form
    210,946.72/316,419.60 = 53,187.52/x
  3. Step 3: Cross multiply
    210,946.72x = 316,419.60 × 53,187.52
  4. Step 4: Simplify right side
    210,946.72x = 16,829,573,803.39
  5. Step 5: Solve for x
    x = 16,829,573,803.39/210,946.72
  6. Step 6: Final answer
    x = 79,781.16

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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.