Home / 249,917.90-374,908.04-81,455.18

Finding the Fourth Proportional to 249,917.90, 374,908.04 and 81,455.18

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Solution

The fourth proportional to 249,917.90, 374,908.04 and 81,455.18 is: 122,192.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,917.90 : 374,908.04 = 81,455.18 : x
  2. Step 2: Convert to fraction form
    249,917.90/374,908.04 = 81,455.18/x
  3. Step 3: Cross multiply
    249,917.90x = 374,908.04 × 81,455.18
  4. Step 4: Simplify right side
    249,917.90x = 30,538,201,474.37
  5. Step 5: Solve for x
    x = 30,538,201,474.37/249,917.90
  6. Step 6: Final answer
    x = 122,192.93

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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.