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Finding the Fourth Proportional to 122,614.58, 183,688.58 and 69,864.14

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Solution

The fourth proportional to 122,614.58, 183,688.58 and 69,864.14 is: 104,663.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,614.58 : 183,688.58 = 69,864.14 : x
  2. Step 2: Convert to fraction form
    122,614.58/183,688.58 = 69,864.14/x
  3. Step 3: Cross multiply
    122,614.58x = 183,688.58 × 69,864.14
  4. Step 4: Simplify right side
    122,614.58x = 12,833,244,669.52
  5. Step 5: Solve for x
    x = 12,833,244,669.52/122,614.58
  6. Step 6: Final answer
    x = 104,663.28

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1.5x scale

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.