Home / 119,769.64-179,693.34-57,445

Finding the Fourth Proportional to 119,769.64, 179,693.34 and 57,445

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Solution

The fourth proportional to 119,769.64, 179,693.34 and 57,445 is: 86,186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,769.64 : 179,693.34 = 57,445 : x
  2. Step 2: Convert to fraction form
    119,769.64/179,693.34 = 57,445/x
  3. Step 3: Cross multiply
    119,769.64x = 179,693.34 × 57,445
  4. Step 4: Simplify right side
    119,769.64x = 10,322,483,916.30
  5. Step 5: Solve for x
    x = 10,322,483,916.30/119,769.64
  6. Step 6: Final answer
    x = 86,186.15

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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.