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Finding the Fourth Proportional to 147,952.86, 221,670.90 and 123,152.28

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Solution

The fourth proportional to 147,952.86, 221,670.90 and 123,152.28 is: 184,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,952.86 : 221,670.90 = 123,152.28 : x
  2. Step 2: Convert to fraction form
    147,952.86/221,670.90 = 123,152.28/x
  3. Step 3: Cross multiply
    147,952.86x = 221,670.90 × 123,152.28
  4. Step 4: Simplify right side
    147,952.86x = 27,299,276,744.65
  5. Step 5: Solve for x
    x = 27,299,276,744.65/147,952.86
  6. Step 6: Final answer
    x = 184,513.34

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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.