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Finding the Fourth Proportional to 175,681.44, 242,274.44 and 115,304.45

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Solution

The fourth proportional to 175,681.44, 242,274.44 and 115,304.45 is: 159,011.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,681.44 : 242,274.44 = 115,304.45 : x
  2. Step 2: Convert to fraction form
    175,681.44/242,274.44 = 115,304.45/x
  3. Step 3: Cross multiply
    175,681.44x = 242,274.44 × 115,304.45
  4. Step 4: Simplify right side
    175,681.44x = 27,935,320,130.15
  5. Step 5: Solve for x
    x = 27,935,320,130.15/175,681.44
  6. Step 6: Final answer
    x = 159,011.22

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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.