Home / 201,461.03-301,446.16-121,545.35

Finding the Fourth Proportional to 201,461.03, 301,446.16 and 121,545.35

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Solution

The fourth proportional to 201,461.03, 301,446.16 and 121,545.35 is: 181,868.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,461.03 : 301,446.16 = 121,545.35 : x
  2. Step 2: Convert to fraction form
    201,461.03/301,446.16 = 121,545.35/x
  3. Step 3: Cross multiply
    201,461.03x = 301,446.16 × 121,545.35
  4. Step 4: Simplify right side
    201,461.03x = 36,639,379,023.36
  5. Step 5: Solve for x
    x = 36,639,379,023.36/201,461.03
  6. Step 6: Final answer
    x = 181,868.32

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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.