Home / 187,005.60-258,032.98-106,428.33

Finding the Fourth Proportional to 187,005.60, 258,032.98 and 106,428.33

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Solution

The fourth proportional to 187,005.60, 258,032.98 and 106,428.33 is: 146,851.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,005.60 : 258,032.98 = 106,428.33 : x
  2. Step 2: Convert to fraction form
    187,005.60/258,032.98 = 106,428.33/x
  3. Step 3: Cross multiply
    187,005.60x = 258,032.98 × 106,428.33
  4. Step 4: Simplify right side
    187,005.60x = 27,462,019,146.32
  5. Step 5: Solve for x
    x = 27,462,019,146.32/187,005.60
  6. Step 6: Final answer
    x = 146,851.32

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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.