Home / 195,844-270,275.66-110,988.40

Finding the Fourth Proportional to 195,844, 270,275.66 and 110,988.40

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Solution

The fourth proportional to 195,844, 270,275.66 and 110,988.40 is: 153,170.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,844 : 270,275.66 = 110,988.40 : x
  2. Step 2: Convert to fraction form
    195,844/270,275.66 = 110,988.40/x
  3. Step 3: Cross multiply
    195,844x = 270,275.66 × 110,988.40
  4. Step 4: Simplify right side
    195,844x = 29,997,463,062.34
  5. Step 5: Solve for x
    x = 29,997,463,062.34/195,844
  6. Step 6: Final answer
    x = 153,170.19

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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.