Home / 131,962.77-181,962.86-119,212.56

Finding the Fourth Proportional to 131,962.77, 181,962.86 and 119,212.56

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Solution

The fourth proportional to 131,962.77, 181,962.86 and 119,212.56 is: 164,381.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,962.77 : 181,962.86 = 119,212.56 : x
  2. Step 2: Convert to fraction form
    131,962.77/181,962.86 = 119,212.56/x
  3. Step 3: Cross multiply
    131,962.77x = 181,962.86 × 119,212.56
  4. Step 4: Simplify right side
    131,962.77x = 21,692,257,769.46
  5. Step 5: Solve for x
    x = 21,692,257,769.46/131,962.77
  6. Step 6: Final answer
    x = 164,381.65

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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.