Home / 131,880.58-181,814.44-83,458.42

Finding the Fourth Proportional to 131,880.58, 181,814.44 and 83,458.42

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Solution

The fourth proportional to 131,880.58, 181,814.44 and 83,458.42 is: 115,058.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,880.58 : 181,814.44 = 83,458.42 : x
  2. Step 2: Convert to fraction form
    131,880.58/181,814.44 = 83,458.42/x
  3. Step 3: Cross multiply
    131,880.58x = 181,814.44 × 83,458.42
  4. Step 4: Simplify right side
    131,880.58x = 15,173,944,569.22
  5. Step 5: Solve for x
    x = 15,173,944,569.22/131,880.58
  6. Step 6: Final answer
    x = 115,058.22

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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.