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Finding the Fourth Proportional to 103,950.51, 156,188.52 and 99,746.74

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Solution

The fourth proportional to 103,950.51, 156,188.52 and 99,746.74 is: 149,872.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,950.51 : 156,188.52 = 99,746.74 : x
  2. Step 2: Convert to fraction form
    103,950.51/156,188.52 = 99,746.74/x
  3. Step 3: Cross multiply
    103,950.51x = 156,188.52 × 99,746.74
  4. Step 4: Simplify right side
    103,950.51x = 15,579,295,890.66
  5. Step 5: Solve for x
    x = 15,579,295,890.66/103,950.51
  6. Step 6: Final answer
    x = 149,872.25

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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.