Home / 145,409.27-200,582.83-84,967.07

Finding the Fourth Proportional to 145,409.27, 200,582.83 and 84,967.07

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Solution

The fourth proportional to 145,409.27, 200,582.83 and 84,967.07 is: 117,206.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,409.27 : 200,582.83 = 84,967.07 : x
  2. Step 2: Convert to fraction form
    145,409.27/200,582.83 = 84,967.07/x
  3. Step 3: Cross multiply
    145,409.27x = 200,582.83 × 84,967.07
  4. Step 4: Simplify right side
    145,409.27x = 17,042,935,357.41
  5. Step 5: Solve for x
    x = 17,042,935,357.41/145,409.27
  6. Step 6: Final answer
    x = 117,206.66

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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.