Home / 148,109.90-204,303.95-90,774.96

Finding the Fourth Proportional to 148,109.90, 204,303.95 and 90,774.96

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Solution

The fourth proportional to 148,109.90, 204,303.95 and 90,774.96 is: 125,215.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,109.90 : 204,303.95 = 90,774.96 : x
  2. Step 2: Convert to fraction form
    148,109.90/204,303.95 = 90,774.96/x
  3. Step 3: Cross multiply
    148,109.90x = 204,303.95 × 90,774.96
  4. Step 4: Simplify right side
    148,109.90x = 18,545,682,435.22
  5. Step 5: Solve for x
    x = 18,545,682,435.22/148,109.90
  6. Step 6: Final answer
    x = 125,215.69

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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.