Home / 170,749.57-235,415.37-140,009.42

Finding the Fourth Proportional to 170,749.57, 235,415.37 and 140,009.42

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Solution

The fourth proportional to 170,749.57, 235,415.37 and 140,009.42 is: 193,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,749.57 : 235,415.37 = 140,009.42 : x
  2. Step 2: Convert to fraction form
    170,749.57/235,415.37 = 140,009.42/x
  3. Step 3: Cross multiply
    170,749.57x = 235,415.37 × 140,009.42
  4. Step 4: Simplify right side
    170,749.57x = 32,960,369,412.79
  5. Step 5: Solve for x
    x = 32,960,369,412.79/170,749.57
  6. Step 6: Final answer
    x = 193,033.40

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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.