Home / 165,990.13-229,065.30-94,370.17

Finding the Fourth Proportional to 165,990.13, 229,065.30 and 94,370.17

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Solution

The fourth proportional to 165,990.13, 229,065.30 and 94,370.17 is: 130,230.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,990.13 : 229,065.30 = 94,370.17 : x
  2. Step 2: Convert to fraction form
    165,990.13/229,065.30 = 94,370.17/x
  3. Step 3: Cross multiply
    165,990.13x = 229,065.30 × 94,370.17
  4. Step 4: Simplify right side
    165,990.13x = 21,616,931,302.10
  5. Step 5: Solve for x
    x = 21,616,931,302.10/165,990.13
  6. Step 6: Final answer
    x = 130,230.22

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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.