Home / 145,227.23-200,351.41-90,684.71

Finding the Fourth Proportional to 145,227.23, 200,351.41 and 90,684.71

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Solution

The fourth proportional to 145,227.23, 200,351.41 and 90,684.71 is: 125,106.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,227.23 : 200,351.41 = 90,684.71 : x
  2. Step 2: Convert to fraction form
    145,227.23/200,351.41 = 90,684.71/x
  3. Step 3: Cross multiply
    145,227.23x = 200,351.41 × 90,684.71
  4. Step 4: Simplify right side
    145,227.23x = 18,168,809,206.82
  5. Step 5: Solve for x
    x = 18,168,809,206.82/145,227.23
  6. Step 6: Final answer
    x = 125,106.08

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1.5x scale

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.