Home / 131,378.37-181,248.48-97,005.48

Finding the Fourth Proportional to 131,378.37, 181,248.48 and 97,005.48

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Solution

The fourth proportional to 131,378.37, 181,248.48 and 97,005.48 is: 133,827.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,378.37 : 181,248.48 = 97,005.48 : x
  2. Step 2: Convert to fraction form
    131,378.37/181,248.48 = 97,005.48/x
  3. Step 3: Cross multiply
    131,378.37x = 181,248.48 × 97,005.48
  4. Step 4: Simplify right side
    131,378.37x = 17,582,095,801.67
  5. Step 5: Solve for x
    x = 17,582,095,801.67/131,378.37
  6. Step 6: Final answer
    x = 133,827.93

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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.