Home / 126,904.89-190,362.99-70,702.41

Finding the Fourth Proportional to 126,904.89, 190,362.99 and 70,702.41

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Solution

The fourth proportional to 126,904.89, 190,362.99 and 70,702.41 is: 106,056.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,904.89 : 190,362.99 = 70,702.41 : x
  2. Step 2: Convert to fraction form
    126,904.89/190,362.99 = 70,702.41/x
  3. Step 3: Cross multiply
    126,904.89x = 190,362.99 × 70,702.41
  4. Step 4: Simplify right side
    126,904.89x = 13,459,122,167.81
  5. Step 5: Solve for x
    x = 13,459,122,167.81/126,904.89
  6. Step 6: Final answer
    x = 106,056.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.