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Finding the Fourth Proportional to 164,259.81, 226,678.50 and 92,639.68

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Solution

The fourth proportional to 164,259.81, 226,678.50 and 92,639.68 is: 127,842.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,259.81 : 226,678.50 = 92,639.68 : x
  2. Step 2: Convert to fraction form
    164,259.81/226,678.50 = 92,639.68/x
  3. Step 3: Cross multiply
    164,259.81x = 226,678.50 × 92,639.68
  4. Step 4: Simplify right side
    164,259.81x = 20,999,423,136.18
  5. Step 5: Solve for x
    x = 20,999,423,136.18/164,259.81
  6. Step 6: Final answer
    x = 127,842.73

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1.5x scale

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.