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Finding the Fourth Proportional to 124,353.40, 171,607.88 and 67,764.76

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Solution

The fourth proportional to 124,353.40, 171,607.88 and 67,764.76 is: 93,515.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,353.40 : 171,607.88 = 67,764.76 : x
  2. Step 2: Convert to fraction form
    124,353.40/171,607.88 = 67,764.76/x
  3. Step 3: Cross multiply
    124,353.40x = 171,607.88 × 67,764.76
  4. Step 4: Simplify right side
    124,353.40x = 11,628,966,802.31
  5. Step 5: Solve for x
    x = 11,628,966,802.31/124,353.40
  6. Step 6: Final answer
    x = 93,515.47

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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.