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Finding the Fourth Proportional to 163,944, 245,974.32 and 80,896.32

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Solution

The fourth proportional to 163,944, 245,974.32 and 80,896.32 is: 121,373.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,944 : 245,974.32 = 80,896.32 : x
  2. Step 2: Convert to fraction form
    163,944/245,974.32 = 80,896.32/x
  3. Step 3: Cross multiply
    163,944x = 245,974.32 × 80,896.32
  4. Step 4: Simplify right side
    163,944x = 19,898,417,302.50
  5. Step 5: Solve for x
    x = 19,898,417,302.50/163,944
  6. Step 6: Final answer
    x = 121,373.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.