Home / 146,316.66-201,913.91-81,784.10

Finding the Fourth Proportional to 146,316.66, 201,913.91 and 81,784.10

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Solution

The fourth proportional to 146,316.66, 201,913.91 and 81,784.10 is: 112,860.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,316.66 : 201,913.91 = 81,784.10 : x
  2. Step 2: Convert to fraction form
    146,316.66/201,913.91 = 81,784.10/x
  3. Step 3: Cross multiply
    146,316.66x = 201,913.91 × 81,784.10
  4. Step 4: Simplify right side
    146,316.66x = 16,513,347,133.66
  5. Step 5: Solve for x
    x = 16,513,347,133.66/146,316.66
  6. Step 6: Final answer
    x = 112,860.33

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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.