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Finding the Fourth Proportional to 124,133.64, 171,303.21 and 67,544.88

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Solution

The fourth proportional to 124,133.64, 171,303.21 and 67,544.88 is: 93,211.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,133.64 : 171,303.21 = 67,544.88 : x
  2. Step 2: Convert to fraction form
    124,133.64/171,303.21 = 67,544.88/x
  3. Step 3: Cross multiply
    124,133.64x = 171,303.21 × 67,544.88
  4. Step 4: Simplify right side
    124,133.64x = 11,570,654,763.06
  5. Step 5: Solve for x
    x = 11,570,654,763.06/124,133.64
  6. Step 6: Final answer
    x = 93,211.27

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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.