Home / 117,746.65-162,478.74-66,749.32

Finding the Fourth Proportional to 117,746.65, 162,478.74 and 66,749.32

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Solution

The fourth proportional to 117,746.65, 162,478.74 and 66,749.32 is: 92,107.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,746.65 : 162,478.74 = 66,749.32 : x
  2. Step 2: Convert to fraction form
    117,746.65/162,478.74 = 66,749.32/x
  3. Step 3: Cross multiply
    117,746.65x = 162,478.74 × 66,749.32
  4. Step 4: Simplify right side
    117,746.65x = 10,845,345,409.46
  5. Step 5: Solve for x
    x = 10,845,345,409.46/117,746.65
  6. Step 6: Final answer
    x = 92,107.46

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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.