Home / 200,678.40-276,897.15-118,991.52

Finding the Fourth Proportional to 200,678.40, 276,897.15 and 118,991.52

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Solution

The fourth proportional to 200,678.40, 276,897.15 and 118,991.52 is: 164,185.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,678.40 : 276,897.15 = 118,991.52 : x
  2. Step 2: Convert to fraction form
    200,678.40/276,897.15 = 118,991.52/x
  3. Step 3: Cross multiply
    200,678.40x = 276,897.15 × 118,991.52
  4. Step 4: Simplify right side
    200,678.40x = 32,948,412,762.17
  5. Step 5: Solve for x
    x = 32,948,412,762.17/200,678.40
  6. Step 6: Final answer
    x = 164,185.15

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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.