Home / 138,802.79-208,173.04-63,850.95

Finding the Fourth Proportional to 138,802.79, 208,173.04 and 63,850.95

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Solution

The fourth proportional to 138,802.79, 208,173.04 and 63,850.95 is: 95,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,802.79 : 208,173.04 = 63,850.95 : x
  2. Step 2: Convert to fraction form
    138,802.79/208,173.04 = 63,850.95/x
  3. Step 3: Cross multiply
    138,802.79x = 208,173.04 × 63,850.95
  4. Step 4: Simplify right side
    138,802.79x = 13,292,046,368.39
  5. Step 5: Solve for x
    x = 13,292,046,368.39/138,802.79
  6. Step 6: Final answer
    x = 95,762.10

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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.