Home / 165,720.80-228,680.76-93,118.16

Finding the Fourth Proportional to 165,720.80, 228,680.76 and 93,118.16

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Solution

The fourth proportional to 165,720.80, 228,680.76 and 93,118.16 is: 128,495.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,720.80 : 228,680.76 = 93,118.16 : x
  2. Step 2: Convert to fraction form
    165,720.80/228,680.76 = 93,118.16/x
  3. Step 3: Cross multiply
    165,720.80x = 228,680.76 × 93,118.16
  4. Step 4: Simplify right side
    165,720.80x = 21,294,331,598.60
  5. Step 5: Solve for x
    x = 21,294,331,598.60/165,720.80
  6. Step 6: Final answer
    x = 128,495.23

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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.