Home / 106,005.30-159,008.76-31,126.74

Finding the Fourth Proportional to 106,005.30, 159,008.76 and 31,126.74

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Solution

The fourth proportional to 106,005.30, 159,008.76 and 31,126.74 is: 46,690.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,005.30 : 159,008.76 = 31,126.74 : x
  2. Step 2: Convert to fraction form
    106,005.30/159,008.76 = 31,126.74/x
  3. Step 3: Cross multiply
    106,005.30x = 159,008.76 × 31,126.74
  4. Step 4: Simplify right side
    106,005.30x = 4,949,424,330.24
  5. Step 5: Solve for x
    x = 4,949,424,330.24/106,005.30
  6. Step 6: Final answer
    x = 46,690.35

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1.5x scale

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.