Home / 105,058.11-144,980.62-57,312.46

Finding the Fourth Proportional to 105,058.11, 144,980.62 and 57,312.46

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Solution

The fourth proportional to 105,058.11, 144,980.62 and 57,312.46 is: 79,091.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,058.11 : 144,980.62 = 57,312.46 : x
  2. Step 2: Convert to fraction form
    105,058.11/144,980.62 = 57,312.46/x
  3. Step 3: Cross multiply
    105,058.11x = 144,980.62 × 57,312.46
  4. Step 4: Simplify right side
    105,058.11x = 8,309,195,984.53
  5. Step 5: Solve for x
    x = 8,309,195,984.53/105,058.11
  6. Step 6: Final answer
    x = 79,091.43

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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.