Home / 165,802.02-248,732.58-77,155.62

Finding the Fourth Proportional to 165,802.02, 248,732.58 and 77,155.62

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Solution

The fourth proportional to 165,802.02, 248,732.58 and 77,155.62 is: 115,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,802.02 : 248,732.58 = 77,155.62 : x
  2. Step 2: Convert to fraction form
    165,802.02/248,732.58 = 77,155.62/x
  3. Step 3: Cross multiply
    165,802.02x = 248,732.58 × 77,155.62
  4. Step 4: Simplify right side
    165,802.02x = 19,191,116,424.10
  5. Step 5: Solve for x
    x = 19,191,116,424.10/165,802.02
  6. Step 6: Final answer
    x = 115,747.18

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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.