Home / 143,243.34-197,675.73-79,587.06

Finding the Fourth Proportional to 143,243.34, 197,675.73 and 79,587.06

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Solution

The fourth proportional to 143,243.34, 197,675.73 and 79,587.06 is: 109,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,243.34 : 197,675.73 = 79,587.06 : x
  2. Step 2: Convert to fraction form
    143,243.34/197,675.73 = 79,587.06/x
  3. Step 3: Cross multiply
    143,243.34x = 197,675.73 × 79,587.06
  4. Step 4: Simplify right side
    143,243.34x = 15,732,430,184.05
  5. Step 5: Solve for x
    x = 15,732,430,184.05/143,243.34
  6. Step 6: Final answer
    x = 109,830.10

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1.5x scale

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.