Home / 170,730.72-235,561.26-98,129.87

Finding the Fourth Proportional to 170,730.72, 235,561.26 and 98,129.87

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Solution

The fourth proportional to 170,730.72, 235,561.26 and 98,129.87 is: 135,392.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,730.72 : 235,561.26 = 98,129.87 : x
  2. Step 2: Convert to fraction form
    170,730.72/235,561.26 = 98,129.87/x
  3. Step 3: Cross multiply
    170,730.72x = 235,561.26 × 98,129.87
  4. Step 4: Simplify right side
    170,730.72x = 23,115,594,643.03
  5. Step 5: Solve for x
    x = 23,115,594,643.03/170,730.72
  6. Step 6: Final answer
    x = 135,392.12

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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.