Home / 204,637.84-282,517.28-135,820.63

Finding the Fourth Proportional to 204,637.84, 282,517.28 and 135,820.63

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Solution

The fourth proportional to 204,637.84, 282,517.28 and 135,820.63 is: 187,510.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,637.84 : 282,517.28 = 135,820.63 : x
  2. Step 2: Convert to fraction form
    204,637.84/282,517.28 = 135,820.63/x
  3. Step 3: Cross multiply
    204,637.84x = 282,517.28 × 135,820.63
  4. Step 4: Simplify right side
    204,637.84x = 38,371,674,955.49
  5. Step 5: Solve for x
    x = 38,371,674,955.49/204,637.84
  6. Step 6: Final answer
    x = 187,510.16

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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.