Home / 134,036.54-184,973.52-76,681.25

Finding the Fourth Proportional to 134,036.54, 184,973.52 and 76,681.25

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Solution

The fourth proportional to 134,036.54, 184,973.52 and 76,681.25 is: 105,821.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,036.54 : 184,973.52 = 76,681.25 : x
  2. Step 2: Convert to fraction form
    134,036.54/184,973.52 = 76,681.25/x
  3. Step 3: Cross multiply
    134,036.54x = 184,973.52 × 76,681.25
  4. Step 4: Simplify right side
    134,036.54x = 14,183,999,805.63
  5. Step 5: Solve for x
    x = 14,183,999,805.63/134,036.54
  6. Step 6: Final answer
    x = 105,821.89

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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.