Home / 171,946.10-257,955.60-51,993.20

Finding the Fourth Proportional to 171,946.10, 257,955.60 and 51,993.20

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Solution

The fourth proportional to 171,946.10, 257,955.60 and 51,993.20 is: 78,000.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,946.10 : 257,955.60 = 51,993.20 : x
  2. Step 2: Convert to fraction form
    171,946.10/257,955.60 = 51,993.20/x
  3. Step 3: Cross multiply
    171,946.10x = 257,955.60 × 51,993.20
  4. Step 4: Simplify right side
    171,946.10x = 13,411,937,101.92
  5. Step 5: Solve for x
    x = 13,411,937,101.92/171,946.10
  6. Step 6: Final answer
    x = 78,000.82

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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.