Home / 118,485.48-163,511.05-67,497.45

Finding the Fourth Proportional to 118,485.48, 163,511.05 and 67,497.45

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Solution

The fourth proportional to 118,485.48, 163,511.05 and 67,497.45 is: 93,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,485.48 : 163,511.05 = 67,497.45 : x
  2. Step 2: Convert to fraction form
    118,485.48/163,511.05 = 67,497.45/x
  3. Step 3: Cross multiply
    118,485.48x = 163,511.05 × 67,497.45
  4. Step 4: Simplify right side
    118,485.48x = 11,036,578,584.34
  5. Step 5: Solve for x
    x = 11,036,578,584.34/118,485.48
  6. Step 6: Final answer
    x = 93,147.10

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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.