Home / 134,803.72-186,027.96-74,374.92

Finding the Fourth Proportional to 134,803.72, 186,027.96 and 74,374.92

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Solution

The fourth proportional to 134,803.72, 186,027.96 and 74,374.92 is: 102,636.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,803.72 : 186,027.96 = 74,374.92 : x
  2. Step 2: Convert to fraction form
    134,803.72/186,027.96 = 74,374.92/x
  3. Step 3: Cross multiply
    134,803.72x = 186,027.96 × 74,374.92
  4. Step 4: Simplify right side
    134,803.72x = 13,835,814,642.76
  5. Step 5: Solve for x
    x = 13,835,814,642.76/134,803.72
  6. Step 6: Final answer
    x = 102,636.74

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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.