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Finding the Fourth Proportional to 104,798.34, 157,220.72 and 38,238.29

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Solution

The fourth proportional to 104,798.34, 157,220.72 and 38,238.29 is: 57,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,798.34 : 157,220.72 = 38,238.29 : x
  2. Step 2: Convert to fraction form
    104,798.34/157,220.72 = 38,238.29/x
  3. Step 3: Cross multiply
    104,798.34x = 157,220.72 × 38,238.29
  4. Step 4: Simplify right side
    104,798.34x = 6,011,850,508.07
  5. Step 5: Solve for x
    x = 6,011,850,508.07/104,798.34
  6. Step 6: Final answer
    x = 57,365.89

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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.