Home / 103,660.02-143,058.08-58,342.36

Finding the Fourth Proportional to 103,660.02, 143,058.08 and 58,342.36

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Solution

The fourth proportional to 103,660.02, 143,058.08 and 58,342.36 is: 80,516.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,660.02 : 143,058.08 = 58,342.36 : x
  2. Step 2: Convert to fraction form
    103,660.02/143,058.08 = 58,342.36/x
  3. Step 3: Cross multiply
    103,660.02x = 143,058.08 × 58,342.36
  4. Step 4: Simplify right side
    103,660.02x = 8,346,346,004.27
  5. Step 5: Solve for x
    x = 8,346,346,004.27/103,660.02
  6. Step 6: Final answer
    x = 80,516.54

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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.