Home / 105,925.09-158,866.08-31,025.11

Finding the Fourth Proportional to 105,925.09, 158,866.08 and 31,025.11

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Solution

The fourth proportional to 105,925.09, 158,866.08 and 31,025.11 is: 46,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,925.09 : 158,866.08 = 31,025.11 : x
  2. Step 2: Convert to fraction form
    105,925.09/158,866.08 = 31,025.11/x
  3. Step 3: Cross multiply
    105,925.09x = 158,866.08 × 31,025.11
  4. Step 4: Simplify right side
    105,925.09x = 4,928,837,607.27
  5. Step 5: Solve for x
    x = 4,928,837,607.27/105,925.09
  6. Step 6: Final answer
    x = 46,531.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.