Home / 117,507.12-162,003.23-93,388.62

Finding the Fourth Proportional to 117,507.12, 162,003.23 and 93,388.62

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Solution

The fourth proportional to 117,507.12, 162,003.23 and 93,388.62 is: 128,751.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,507.12 : 162,003.23 = 93,388.62 : x
  2. Step 2: Convert to fraction form
    117,507.12/162,003.23 = 93,388.62/x
  3. Step 3: Cross multiply
    117,507.12x = 162,003.23 × 93,388.62
  4. Step 4: Simplify right side
    117,507.12x = 15,129,258,085.24
  5. Step 5: Solve for x
    x = 15,129,258,085.24/117,507.12
  6. Step 6: Final answer
    x = 128,751.84

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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.