Home / 157,214.75-216,949.56-85,595.03

Finding the Fourth Proportional to 157,214.75, 216,949.56 and 85,595.03

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Solution

The fourth proportional to 157,214.75, 216,949.56 and 85,595.03 is: 118,117.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,214.75 : 216,949.56 = 85,595.03 : x
  2. Step 2: Convert to fraction form
    157,214.75/216,949.56 = 85,595.03/x
  3. Step 3: Cross multiply
    157,214.75x = 216,949.56 × 85,595.03
  4. Step 4: Simplify right side
    157,214.75x = 18,569,804,096.69
  5. Step 5: Solve for x
    x = 18,569,804,096.69/157,214.75
  6. Step 6: Final answer
    x = 118,117.44

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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.