Home / 103,629.96-142,902.36-97,601.40

Finding the Fourth Proportional to 103,629.96, 142,902.36 and 97,601.40

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Solution

The fourth proportional to 103,629.96, 142,902.36 and 97,601.40 is: 134,589.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,629.96 : 142,902.36 = 97,601.40 : x
  2. Step 2: Convert to fraction form
    103,629.96/142,902.36 = 97,601.40/x
  3. Step 3: Cross multiply
    103,629.96x = 142,902.36 × 97,601.40
  4. Step 4: Simplify right side
    103,629.96x = 13,947,470,399.30
  5. Step 5: Solve for x
    x = 13,947,470,399.30/103,629.96
  6. Step 6: Final answer
    x = 134,589.17

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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.