Home / 112,977.75-169,466.58-42,857.07

Finding the Fourth Proportional to 112,977.75, 169,466.58 and 42,857.07

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Solution

The fourth proportional to 112,977.75, 169,466.58 and 42,857.07 is: 64,285.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,977.75 : 169,466.58 = 42,857.07 : x
  2. Step 2: Convert to fraction form
    112,977.75/169,466.58 = 42,857.07/x
  3. Step 3: Cross multiply
    112,977.75x = 169,466.58 × 42,857.07
  4. Step 4: Simplify right side
    112,977.75x = 7,262,840,446.22
  5. Step 5: Solve for x
    x = 7,262,840,446.22/112,977.75
  6. Step 6: Final answer
    x = 64,285.58

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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.