Home / 190,290-261,901.08-163,127.52

Finding the Fourth Proportional to 190,290, 261,901.08 and 163,127.52

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Solution

The fourth proportional to 190,290, 261,901.08 and 163,127.52 is: 224,516.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,290 : 261,901.08 = 163,127.52 : x
  2. Step 2: Convert to fraction form
    190,290/261,901.08 = 163,127.52/x
  3. Step 3: Cross multiply
    190,290x = 261,901.08 × 163,127.52
  4. Step 4: Simplify right side
    190,290x = 42,723,273,665.72
  5. Step 5: Solve for x
    x = 42,723,273,665.72/190,290
  6. Step 6: Final answer
    x = 224,516.65

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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.