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Finding the Fourth Proportional to 153,425.23, 230,030.88 and 67,989.56

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Solution

The fourth proportional to 153,425.23, 230,030.88 and 67,989.56 is: 101,936.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,425.23 : 230,030.88 = 67,989.56 : x
  2. Step 2: Convert to fraction form
    153,425.23/230,030.88 = 67,989.56/x
  3. Step 3: Cross multiply
    153,425.23x = 230,030.88 × 67,989.56
  4. Step 4: Simplify right side
    153,425.23x = 15,639,698,055.84
  5. Step 5: Solve for x
    x = 15,639,698,055.84/153,425.23
  6. Step 6: Final answer
    x = 101,936.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.