Home / 136,224.04-204,070.38-76,880.20

Finding the Fourth Proportional to 136,224.04, 204,070.38 and 76,880.20

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Solution

The fourth proportional to 136,224.04, 204,070.38 and 76,880.20 is: 115,170.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,224.04 : 204,070.38 = 76,880.20 : x
  2. Step 2: Convert to fraction form
    136,224.04/204,070.38 = 76,880.20/x
  3. Step 3: Cross multiply
    136,224.04x = 204,070.38 × 76,880.20
  4. Step 4: Simplify right side
    136,224.04x = 15,688,971,628.48
  5. Step 5: Solve for x
    x = 15,688,971,628.48/136,224.04
  6. Step 6: Final answer
    x = 115,170.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.