Home / 134,036.58-184,985.22-76,681.22

Finding the Fourth Proportional to 134,036.58, 184,985.22 and 76,681.22

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Solution

The fourth proportional to 134,036.58, 184,985.22 and 76,681.22 is: 105,828.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,036.58 : 184,985.22 = 76,681.22 : x
  2. Step 2: Convert to fraction form
    134,036.58/184,985.22 = 76,681.22/x
  3. Step 3: Cross multiply
    134,036.58x = 184,985.22 × 76,681.22
  4. Step 4: Simplify right side
    134,036.58x = 14,184,892,351.57
  5. Step 5: Solve for x
    x = 14,184,892,351.57/134,036.58
  6. Step 6: Final answer
    x = 105,828.52

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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.