Home / 119,898.36-179,854.02-31,149.50

Finding the Fourth Proportional to 119,898.36, 179,854.02 and 31,149.50

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Solution

The fourth proportional to 119,898.36, 179,854.02 and 31,149.50 is: 46,725.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,898.36 : 179,854.02 = 31,149.50 : x
  2. Step 2: Convert to fraction form
    119,898.36/179,854.02 = 31,149.50/x
  3. Step 3: Cross multiply
    119,898.36x = 179,854.02 × 31,149.50
  4. Step 4: Simplify right side
    119,898.36x = 5,602,361,896.72
  5. Step 5: Solve for x
    x = 5,602,361,896.72/119,898.36
  6. Step 6: Final answer
    x = 46,725.93

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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.