Home / 170,397.90-235,150.07-98,820.38

Finding the Fourth Proportional to 170,397.90, 235,150.07 and 98,820.38

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Solution

The fourth proportional to 170,397.90, 235,150.07 and 98,820.38 is: 136,372.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,397.90 : 235,150.07 = 98,820.38 : x
  2. Step 2: Convert to fraction form
    170,397.90/235,150.07 = 98,820.38/x
  3. Step 3: Cross multiply
    170,397.90x = 235,150.07 × 98,820.38
  4. Step 4: Simplify right side
    170,397.90x = 23,237,619,274.43
  5. Step 5: Solve for x
    x = 23,237,619,274.43/170,397.90
  6. Step 6: Final answer
    x = 136,372.69

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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.