Home / 178,619.08-246,382.20-105,970.52

Finding the Fourth Proportional to 178,619.08, 246,382.20 and 105,970.52

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Solution

The fourth proportional to 178,619.08, 246,382.20 and 105,970.52 is: 146,172.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,619.08 : 246,382.20 = 105,970.52 : x
  2. Step 2: Convert to fraction form
    178,619.08/246,382.20 = 105,970.52/x
  3. Step 3: Cross multiply
    178,619.08x = 246,382.20 × 105,970.52
  4. Step 4: Simplify right side
    178,619.08x = 26,109,249,852.74
  5. Step 5: Solve for x
    x = 26,109,249,852.74/178,619.08
  6. Step 6: Final answer
    x = 146,172.79

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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.