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Finding the Fourth Proportional to 104,810.21, 157,132.28 and 97,668.97

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Solution

The fourth proportional to 104,810.21, 157,132.28 and 97,668.97 is: 146,426.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,810.21 : 157,132.28 = 97,668.97 : x
  2. Step 2: Convert to fraction form
    104,810.21/157,132.28 = 97,668.97/x
  3. Step 3: Cross multiply
    104,810.21x = 157,132.28 × 97,668.97
  4. Step 4: Simplify right side
    104,810.21x = 15,346,947,941.35
  5. Step 5: Solve for x
    x = 15,346,947,941.35/104,810.21
  6. Step 6: Final answer
    x = 146,426.08

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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.