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Finding the Fourth Proportional to 124,335, 171,584.19 and 67,746.38

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Solution

The fourth proportional to 124,335, 171,584.19 and 67,746.38 is: 93,491.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,335 : 171,584.19 = 67,746.38 : x
  2. Step 2: Convert to fraction form
    124,335/171,584.19 = 67,746.38/x
  3. Step 3: Cross multiply
    124,335x = 171,584.19 × 67,746.38
  4. Step 4: Simplify right side
    124,335x = 11,624,206,879.81
  5. Step 5: Solve for x
    x = 11,624,206,879.81/124,335
  6. Step 6: Final answer
    x = 93,491.03

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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.