Home / 131,703.63-181,751.47-71,274.26

Finding the Fourth Proportional to 131,703.63, 181,751.47 and 71,274.26

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Solution

The fourth proportional to 131,703.63, 181,751.47 and 71,274.26 is: 98,358.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,703.63 : 181,751.47 = 71,274.26 : x
  2. Step 2: Convert to fraction form
    131,703.63/181,751.47 = 71,274.26/x
  3. Step 3: Cross multiply
    131,703.63x = 181,751.47 × 71,274.26
  4. Step 4: Simplify right side
    131,703.63x = 12,954,201,528.16
  5. Step 5: Solve for x
    x = 12,954,201,528.16/131,703.63
  6. Step 6: Final answer
    x = 98,358.73

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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.