Home / 118,457.37-163,470.90-67,470.09

Finding the Fourth Proportional to 118,457.37, 163,470.90 and 67,470.09

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Solution

The fourth proportional to 118,457.37, 163,470.90 and 67,470.09 is: 93,108.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,457.37 : 163,470.90 = 67,470.09 : x
  2. Step 2: Convert to fraction form
    118,457.37/163,470.90 = 67,470.09/x
  3. Step 3: Cross multiply
    118,457.37x = 163,470.90 × 67,470.09
  4. Step 4: Simplify right side
    118,457.37x = 11,029,396,335.38
  5. Step 5: Solve for x
    x = 11,029,396,335.38/118,457.37
  6. Step 6: Final answer
    x = 93,108.57

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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.