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Finding the Fourth Proportional to 169,665.82, 254,411.70 and 89,746.92

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Solution

The fourth proportional to 169,665.82, 254,411.70 and 89,746.92 is: 134,574.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,665.82 : 254,411.70 = 89,746.92 : x
  2. Step 2: Convert to fraction form
    169,665.82/254,411.70 = 89,746.92/x
  3. Step 3: Cross multiply
    169,665.82x = 254,411.70 × 89,746.92
  4. Step 4: Simplify right side
    169,665.82x = 22,832,665,214.91
  5. Step 5: Solve for x
    x = 22,832,665,214.91/169,665.82
  6. Step 6: Final answer
    x = 134,574.34

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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.