Home / 137,746.18-190,094.48-76,493.40

Finding the Fourth Proportional to 137,746.18, 190,094.48 and 76,493.40

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Solution

The fourth proportional to 137,746.18, 190,094.48 and 76,493.40 is: 105,563.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,746.18 : 190,094.48 = 76,493.40 : x
  2. Step 2: Convert to fraction form
    137,746.18/190,094.48 = 76,493.40/x
  3. Step 3: Cross multiply
    137,746.18x = 190,094.48 × 76,493.40
  4. Step 4: Simplify right side
    137,746.18x = 14,540,972,145.96
  5. Step 5: Solve for x
    x = 14,540,972,145.96/137,746.18
  6. Step 6: Final answer
    x = 105,563.53

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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.