Home / 119,484.18-164,804.20-78,635.29

Finding the Fourth Proportional to 119,484.18, 164,804.20 and 78,635.29

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Solution

The fourth proportional to 119,484.18, 164,804.20 and 78,635.29 is: 108,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,484.18 : 164,804.20 = 78,635.29 : x
  2. Step 2: Convert to fraction form
    119,484.18/164,804.20 = 78,635.29/x
  3. Step 3: Cross multiply
    119,484.18x = 164,804.20 × 78,635.29
  4. Step 4: Simplify right side
    119,484.18x = 12,959,426,060.22
  5. Step 5: Solve for x
    x = 12,959,426,060.22/119,484.18
  6. Step 6: Final answer
    x = 108,461.44

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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.