Home / 181,663.72-272,101.74-87,973

Finding the Fourth Proportional to 181,663.72, 272,101.74 and 87,973

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Solution

The fourth proportional to 181,663.72, 272,101.74 and 87,973 is: 131,768.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,663.72 : 272,101.74 = 87,973 : x
  2. Step 2: Convert to fraction form
    181,663.72/272,101.74 = 87,973/x
  3. Step 3: Cross multiply
    181,663.72x = 272,101.74 × 87,973
  4. Step 4: Simplify right side
    181,663.72x = 23,937,606,373.02
  5. Step 5: Solve for x
    x = 23,937,606,373.02/181,663.72
  6. Step 6: Final answer
    x = 131,768.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.