Home / 170,530.55-235,349.70-108,484.07

Finding the Fourth Proportional to 170,530.55, 235,349.70 and 108,484.07

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Solution

The fourth proportional to 170,530.55, 235,349.70 and 108,484.07 is: 149,719.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,530.55 : 235,349.70 = 108,484.07 : x
  2. Step 2: Convert to fraction form
    170,530.55/235,349.70 = 108,484.07/x
  3. Step 3: Cross multiply
    170,530.55x = 235,349.70 × 108,484.07
  4. Step 4: Simplify right side
    170,530.55x = 25,531,693,329.28
  5. Step 5: Solve for x
    x = 25,531,693,329.28/170,530.55
  6. Step 6: Final answer
    x = 149,719.18

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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.