Home / 134,664.12-185,838.84-74,234.40

Finding the Fourth Proportional to 134,664.12, 185,838.84 and 74,234.40

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Solution

The fourth proportional to 134,664.12, 185,838.84 and 74,234.40 is: 102,444.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,664.12 : 185,838.84 = 74,234.40 : x
  2. Step 2: Convert to fraction form
    134,664.12/185,838.84 = 74,234.40/x
  3. Step 3: Cross multiply
    134,664.12x = 185,838.84 × 74,234.40
  4. Step 4: Simplify right side
    134,664.12x = 13,795,634,784.10
  5. Step 5: Solve for x
    x = 13,795,634,784.10/134,664.12
  6. Step 6: Final answer
    x = 102,444.77

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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.