Home / 188,434.15-260,044.93-107,887.55

Finding the Fourth Proportional to 188,434.15, 260,044.93 and 107,887.55

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Solution

The fourth proportional to 188,434.15, 260,044.93 and 107,887.55 is: 148,888.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,434.15 : 260,044.93 = 107,887.55 : x
  2. Step 2: Convert to fraction form
    188,434.15/260,044.93 = 107,887.55/x
  3. Step 3: Cross multiply
    188,434.15x = 260,044.93 × 107,887.55
  4. Step 4: Simplify right side
    188,434.15x = 28,055,609,222.26
  5. Step 5: Solve for x
    x = 28,055,609,222.26/188,434.15
  6. Step 6: Final answer
    x = 148,888.14

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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.