Home / 119,483.18-164,802.83-78,634.29

Finding the Fourth Proportional to 119,483.18, 164,802.83 and 78,634.29

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Solution

The fourth proportional to 119,483.18, 164,802.83 and 78,634.29 is: 108,460.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,483.18 : 164,802.83 = 78,634.29 : x
  2. Step 2: Convert to fraction form
    119,483.18/164,802.83 = 78,634.29/x
  3. Step 3: Cross multiply
    119,483.18x = 164,802.83 × 78,634.29
  4. Step 4: Simplify right side
    119,483.18x = 12,959,153,133.87
  5. Step 5: Solve for x
    x = 12,959,153,133.87/119,483.18
  6. Step 6: Final answer
    x = 108,460.07

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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.