Home / 159,719.79-239,342.99-64,834.51

Finding the Fourth Proportional to 159,719.79, 239,342.99 and 64,834.51

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Solution

The fourth proportional to 159,719.79, 239,342.99 and 64,834.51 is: 97,155.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,719.79 : 239,342.99 = 64,834.51 : x
  2. Step 2: Convert to fraction form
    159,719.79/239,342.99 = 64,834.51/x
  3. Step 3: Cross multiply
    159,719.79x = 239,342.99 × 64,834.51
  4. Step 4: Simplify right side
    159,719.79x = 15,517,685,478.58
  5. Step 5: Solve for x
    x = 15,517,685,478.58/159,719.79
  6. Step 6: Final answer
    x = 97,155.68

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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.