Home / 143,457.42-197,970.67-79,795.22

Finding the Fourth Proportional to 143,457.42, 197,970.67 and 79,795.22

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Solution

The fourth proportional to 143,457.42, 197,970.67 and 79,795.22 is: 110,117.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,457.42 : 197,970.67 = 79,795.22 : x
  2. Step 2: Convert to fraction form
    143,457.42/197,970.67 = 79,795.22/x
  3. Step 3: Cross multiply
    143,457.42x = 197,970.67 × 79,795.22
  4. Step 4: Simplify right side
    143,457.42x = 15,797,113,461.64
  5. Step 5: Solve for x
    x = 15,797,113,461.64/143,457.42
  6. Step 6: Final answer
    x = 110,117.09

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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.