Home / 105,116.22-145,058.49-57,368.34

Finding the Fourth Proportional to 105,116.22, 145,058.49 and 57,368.34

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Solution

The fourth proportional to 105,116.22, 145,058.49 and 57,368.34 is: 79,167.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,116.22 : 145,058.49 = 57,368.34 : x
  2. Step 2: Convert to fraction form
    105,116.22/145,058.49 = 57,368.34/x
  3. Step 3: Cross multiply
    105,116.22x = 145,058.49 × 57,368.34
  4. Step 4: Simplify right side
    105,116.22x = 8,321,764,774.21
  5. Step 5: Solve for x
    x = 8,321,764,774.21/105,116.22
  6. Step 6: Final answer
    x = 79,167.28

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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.