Home / 147,887.79-204,085.16-84,231.51

Finding the Fourth Proportional to 147,887.79, 204,085.16 and 84,231.51

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Solution

The fourth proportional to 147,887.79, 204,085.16 and 84,231.51 is: 116,239.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,887.79 : 204,085.16 = 84,231.51 : x
  2. Step 2: Convert to fraction form
    147,887.79/204,085.16 = 84,231.51/x
  3. Step 3: Cross multiply
    147,887.79x = 204,085.16 × 84,231.51
  4. Step 4: Simplify right side
    147,887.79x = 17,190,401,195.39
  5. Step 5: Solve for x
    x = 17,190,401,195.39/147,887.79
  6. Step 6: Final answer
    x = 116,239.49

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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.