Home / 147,399.84-203,412.48-83,741.13

Finding the Fourth Proportional to 147,399.84, 203,412.48 and 83,741.13

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Solution

The fourth proportional to 147,399.84, 203,412.48 and 83,741.13 is: 115,563.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,399.84 : 203,412.48 = 83,741.13 : x
  2. Step 2: Convert to fraction form
    147,399.84/203,412.48 = 83,741.13/x
  3. Step 3: Cross multiply
    147,399.84x = 203,412.48 × 83,741.13
  4. Step 4: Simplify right side
    147,399.84x = 17,033,990,931.30
  5. Step 5: Solve for x
    x = 17,033,990,931.30/147,399.84
  6. Step 6: Final answer
    x = 115,563.16

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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.