Home / 112,252.86-154,908.63-61,951.50

Finding the Fourth Proportional to 112,252.86, 154,908.63 and 61,951.50

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Solution

The fourth proportional to 112,252.86, 154,908.63 and 61,951.50 is: 85,492.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,252.86 : 154,908.63 = 61,951.50 : x
  2. Step 2: Convert to fraction form
    112,252.86/154,908.63 = 61,951.50/x
  3. Step 3: Cross multiply
    112,252.86x = 154,908.63 × 61,951.50
  4. Step 4: Simplify right side
    112,252.86x = 9,596,821,991.45
  5. Step 5: Solve for x
    x = 9,596,821,991.45/112,252.86
  6. Step 6: Final answer
    x = 85,492.90

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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.