Home / 219,545.74-302,974.37-118,943.74

Finding the Fourth Proportional to 219,545.74, 302,974.37 and 118,943.74

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Solution

The fourth proportional to 219,545.74, 302,974.37 and 118,943.74 is: 164,143.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,545.74 : 302,974.37 = 118,943.74 : x
  2. Step 2: Convert to fraction form
    219,545.74/302,974.37 = 118,943.74/x
  3. Step 3: Cross multiply
    219,545.74x = 302,974.37 × 118,943.74
  4. Step 4: Simplify right side
    219,545.74x = 36,036,904,691.94
  5. Step 5: Solve for x
    x = 36,036,904,691.94/219,545.74
  6. Step 6: Final answer
    x = 164,143.04

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1.5x scale

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.