Home / 112,457.84-155,201.70-62,166.56

Finding the Fourth Proportional to 112,457.84, 155,201.70 and 62,166.56

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Solution

The fourth proportional to 112,457.84, 155,201.70 and 62,166.56 is: 85,795.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,457.84 : 155,201.70 = 62,166.56 : x
  2. Step 2: Convert to fraction form
    112,457.84/155,201.70 = 62,166.56/x
  3. Step 3: Cross multiply
    112,457.84x = 155,201.70 × 62,166.56
  4. Step 4: Simplify right side
    112,457.84x = 9,648,355,795.15
  5. Step 5: Solve for x
    x = 9,648,355,795.15/112,457.84
  6. Step 6: Final answer
    x = 85,795.31

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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.