Home / 163,881.36-245,881.17-57,281.11

Finding the Fourth Proportional to 163,881.36, 245,881.17 and 57,281.11

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Solution

The fourth proportional to 163,881.36, 245,881.17 and 57,281.11 is: 85,942.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,881.36 : 245,881.17 = 57,281.11 : x
  2. Step 2: Convert to fraction form
    163,881.36/245,881.17 = 57,281.11/x
  3. Step 3: Cross multiply
    163,881.36x = 245,881.17 × 57,281.11
  4. Step 4: Simplify right side
    163,881.36x = 14,084,345,731.00
  5. Step 5: Solve for x
    x = 14,084,345,731.00/163,881.36
  6. Step 6: Final answer
    x = 85,942.33

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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.