Home / 148,658.36-205,148.67-80,675.34

Finding the Fourth Proportional to 148,658.36, 205,148.67 and 80,675.34

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Solution

The fourth proportional to 148,658.36, 205,148.67 and 80,675.34 is: 111,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,658.36 : 205,148.67 = 80,675.34 : x
  2. Step 2: Convert to fraction form
    148,658.36/205,148.67 = 80,675.34/x
  3. Step 3: Cross multiply
    148,658.36x = 205,148.67 × 80,675.34
  4. Step 4: Simplify right side
    148,658.36x = 16,550,438,702.80
  5. Step 5: Solve for x
    x = 16,550,438,702.80/148,658.36
  6. Step 6: Final answer
    x = 111,332.05

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1.5x scale

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.