Home / 180,127.53-270,195.93-85,335.51

Finding the Fourth Proportional to 180,127.53, 270,195.93 and 85,335.51

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Solution

The fourth proportional to 180,127.53, 270,195.93 and 85,335.51 is: 128,005.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,127.53 : 270,195.93 = 85,335.51 : x
  2. Step 2: Convert to fraction form
    180,127.53/270,195.93 = 85,335.51/x
  3. Step 3: Cross multiply
    180,127.53x = 270,195.93 × 85,335.51
  4. Step 4: Simplify right side
    180,127.53x = 23,057,307,486.47
  5. Step 5: Solve for x
    x = 23,057,307,486.47/180,127.53
  6. Step 6: Final answer
    x = 128,005.46

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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.