Home / 151,952.79-209,707.48-83,983.04

Finding the Fourth Proportional to 151,952.79, 209,707.48 and 83,983.04

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Solution

The fourth proportional to 151,952.79, 209,707.48 and 83,983.04 is: 115,903.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,952.79 : 209,707.48 = 83,983.04 : x
  2. Step 2: Convert to fraction form
    151,952.79/209,707.48 = 83,983.04/x
  3. Step 3: Cross multiply
    151,952.79x = 209,707.48 × 83,983.04
  4. Step 4: Simplify right side
    151,952.79x = 17,611,871,681.14
  5. Step 5: Solve for x
    x = 17,611,871,681.14/151,952.79
  6. Step 6: Final answer
    x = 115,903.58

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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.