Home / 216,495.16-298,761.34-119,705.72

Finding the Fourth Proportional to 216,495.16, 298,761.34 and 119,705.72

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Solution

The fourth proportional to 216,495.16, 298,761.34 and 119,705.72 is: 165,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,495.16 : 298,761.34 = 119,705.72 : x
  2. Step 2: Convert to fraction form
    216,495.16/298,761.34 = 119,705.72/x
  3. Step 3: Cross multiply
    216,495.16x = 298,761.34 × 119,705.72
  4. Step 4: Simplify right side
    216,495.16x = 35,763,441,312.86
  5. Step 5: Solve for x
    x = 35,763,441,312.86/216,495.16
  6. Step 6: Final answer
    x = 165,192.80

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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.