Home / 112,037.70-168,056.55-78,795.30

Finding the Fourth Proportional to 112,037.70, 168,056.55 and 78,795.30

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Solution

The fourth proportional to 112,037.70, 168,056.55 and 78,795.30 is: 118,192.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,037.70 : 168,056.55 = 78,795.30 : x
  2. Step 2: Convert to fraction form
    112,037.70/168,056.55 = 78,795.30/x
  3. Step 3: Cross multiply
    112,037.70x = 168,056.55 × 78,795.30
  4. Step 4: Simplify right side
    112,037.70x = 13,242,066,274.22
  5. Step 5: Solve for x
    x = 13,242,066,274.22/112,037.70
  6. Step 6: Final answer
    x = 118,192.95

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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.