Home / 152,119.17-209,921.38-84,139.01

Finding the Fourth Proportional to 152,119.17, 209,921.38 and 84,139.01

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Solution

The fourth proportional to 152,119.17, 209,921.38 and 84,139.01 is: 116,110.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,119.17 : 209,921.38 = 84,139.01 : x
  2. Step 2: Convert to fraction form
    152,119.17/209,921.38 = 84,139.01/x
  3. Step 3: Cross multiply
    152,119.17x = 209,921.38 × 84,139.01
  4. Step 4: Simplify right side
    152,119.17x = 17,662,577,091.03
  5. Step 5: Solve for x
    x = 17,662,577,091.03/152,119.17
  6. Step 6: Final answer
    x = 116,110.13

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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.