Home / 170,388.15-235,136.55-97,785.25

Finding the Fourth Proportional to 170,388.15, 235,136.55 and 97,785.25

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Solution

The fourth proportional to 170,388.15, 235,136.55 and 97,785.25 is: 134,944.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,388.15 : 235,136.55 = 97,785.25 : x
  2. Step 2: Convert to fraction form
    170,388.15/235,136.55 = 97,785.25/x
  3. Step 3: Cross multiply
    170,388.15x = 235,136.55 × 97,785.25
  4. Step 4: Simplify right side
    170,388.15x = 22,992,886,104.74
  5. Step 5: Solve for x
    x = 22,992,886,104.74/170,388.15
  6. Step 6: Final answer
    x = 134,944.16

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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.