Home / 147,400.22-203,412.98-83,741.51

Finding the Fourth Proportional to 147,400.22, 203,412.98 and 83,741.51

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Solution

The fourth proportional to 147,400.22, 203,412.98 and 83,741.51 is: 115,563.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,400.22 : 203,412.98 = 83,741.51 : x
  2. Step 2: Convert to fraction form
    147,400.22/203,412.98 = 83,741.51/x
  3. Step 3: Cross multiply
    147,400.22x = 203,412.98 × 83,741.51
  4. Step 4: Simplify right side
    147,400.22x = 17,034,110,816.69
  5. Step 5: Solve for x
    x = 17,034,110,816.69/147,400.22
  6. Step 6: Final answer
    x = 115,563.67

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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.