Home / 97,898.04-134,981.10-82,764

Finding the Fourth Proportional to 97,898.04, 134,981.10 and 82,764

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Solution

The fourth proportional to 97,898.04, 134,981.10 and 82,764 is: 114,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,898.04 : 134,981.10 = 82,764 : x
  2. Step 2: Convert to fraction form
    97,898.04/134,981.10 = 82,764/x
  3. Step 3: Cross multiply
    97,898.04x = 134,981.10 × 82,764
  4. Step 4: Simplify right side
    97,898.04x = 11,171,575,760.40
  5. Step 5: Solve for x
    x = 11,171,575,760.40/97,898.04
  6. Step 6: Final answer
    x = 114,114.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.