Home / 119,402.96-164,772.78-64,953.32

Finding the Fourth Proportional to 119,402.96, 164,772.78 and 64,953.32

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Solution

The fourth proportional to 119,402.96, 164,772.78 and 64,953.32 is: 89,633.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,402.96 : 164,772.78 = 64,953.32 : x
  2. Step 2: Convert to fraction form
    119,402.96/164,772.78 = 64,953.32/x
  3. Step 3: Cross multiply
    119,402.96x = 164,772.78 × 64,953.32
  4. Step 4: Simplify right side
    119,402.96x = 10,702,539,106.63
  5. Step 5: Solve for x
    x = 10,702,539,106.63/119,402.96
  6. Step 6: Final answer
    x = 89,633.78

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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.