Home / 119,871.36-179,807.38-31,125.60

Finding the Fourth Proportional to 119,871.36, 179,807.38 and 31,125.60

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Solution

The fourth proportional to 119,871.36, 179,807.38 and 31,125.60 is: 46,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,871.36 : 179,807.38 = 31,125.60 : x
  2. Step 2: Convert to fraction form
    119,871.36/179,807.38 = 31,125.60/x
  3. Step 3: Cross multiply
    119,871.36x = 179,807.38 × 31,125.60
  4. Step 4: Simplify right side
    119,871.36x = 5,596,612,509.11
  5. Step 5: Solve for x
    x = 5,596,612,509.11/119,871.36
  6. Step 6: Final answer
    x = 46,688.49

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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.