Home / 187,028.13-258,100.47-106,460.85

Finding the Fourth Proportional to 187,028.13, 258,100.47 and 106,460.85

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Solution

The fourth proportional to 187,028.13, 258,100.47 and 106,460.85 is: 146,916.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,028.13 : 258,100.47 = 106,460.85 : x
  2. Step 2: Convert to fraction form
    187,028.13/258,100.47 = 106,460.85/x
  3. Step 3: Cross multiply
    187,028.13x = 258,100.47 × 106,460.85
  4. Step 4: Simplify right side
    187,028.13x = 27,477,595,421.60
  5. Step 5: Solve for x
    x = 27,477,595,421.60/187,028.13
  6. Step 6: Final answer
    x = 146,916.91

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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.