Home / 173,426.49-239,355.95-105,464.79

Finding the Fourth Proportional to 173,426.49, 239,355.95 and 105,464.79

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Solution

The fourth proportional to 173,426.49, 239,355.95 and 105,464.79 is: 145,558.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,426.49 : 239,355.95 = 105,464.79 : x
  2. Step 2: Convert to fraction form
    173,426.49/239,355.95 = 105,464.79/x
  3. Step 3: Cross multiply
    173,426.49x = 239,355.95 × 105,464.79
  4. Step 4: Simplify right side
    173,426.49x = 25,243,624,474.68
  5. Step 5: Solve for x
    x = 25,243,624,474.68/173,426.49
  6. Step 6: Final answer
    x = 145,558.07

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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.