Home / 226,117.42-312,026.43-125,507.50

Finding the Fourth Proportional to 226,117.42, 312,026.43 and 125,507.50

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Solution

The fourth proportional to 226,117.42, 312,026.43 and 125,507.50 is: 173,191.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,117.42 : 312,026.43 = 125,507.50 : x
  2. Step 2: Convert to fraction form
    226,117.42/312,026.43 = 125,507.50/x
  3. Step 3: Cross multiply
    226,117.42x = 312,026.43 × 125,507.50
  4. Step 4: Simplify right side
    226,117.42x = 39,161,657,163.23
  5. Step 5: Solve for x
    x = 39,161,657,163.23/226,117.42
  6. Step 6: Final answer
    x = 173,191.69

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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.