Home / 147,134.08-203,051.70-86,707.27

Finding the Fourth Proportional to 147,134.08, 203,051.70 and 86,707.27

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Solution

The fourth proportional to 147,134.08, 203,051.70 and 86,707.27 is: 119,659.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,134.08 : 203,051.70 = 86,707.27 : x
  2. Step 2: Convert to fraction form
    147,134.08/203,051.70 = 86,707.27/x
  3. Step 3: Cross multiply
    147,134.08x = 203,051.70 × 86,707.27
  4. Step 4: Simplify right side
    147,134.08x = 17,606,058,502.45
  5. Step 5: Solve for x
    x = 17,606,058,502.45/147,134.08
  6. Step 6: Final answer
    x = 119,659.96

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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.