Home / 115,675.56-172,459.60-112,766.85

Finding the Fourth Proportional to 115,675.56, 172,459.60 and 112,766.85

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Solution

The fourth proportional to 115,675.56, 172,459.60 and 112,766.85 is: 168,123.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,675.56 : 172,459.60 = 112,766.85 : x
  2. Step 2: Convert to fraction form
    115,675.56/172,459.60 = 112,766.85/x
  3. Step 3: Cross multiply
    115,675.56x = 172,459.60 × 112,766.85
  4. Step 4: Simplify right side
    115,675.56x = 19,447,725,562.34
  5. Step 5: Solve for x
    x = 19,447,725,562.34/115,675.56
  6. Step 6: Final answer
    x = 168,123.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.