Home / 112,277.70-168,416.55-76,848.30

Finding the Fourth Proportional to 112,277.70, 168,416.55 and 76,848.30

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Solution

The fourth proportional to 112,277.70, 168,416.55 and 76,848.30 is: 115,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,277.70 : 168,416.55 = 76,848.30 : x
  2. Step 2: Convert to fraction form
    112,277.70/168,416.55 = 76,848.30/x
  3. Step 3: Cross multiply
    112,277.70x = 168,416.55 × 76,848.30
  4. Step 4: Simplify right side
    112,277.70x = 12,942,525,559.37
  5. Step 5: Solve for x
    x = 12,942,525,559.37/112,277.70
  6. Step 6: Final answer
    x = 115,272.45

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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.