Home / 148,883.67-205,479.99-91,559.16

Finding the Fourth Proportional to 148,883.67, 205,479.99 and 91,559.16

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Solution

The fourth proportional to 148,883.67, 205,479.99 and 91,559.16 is: 126,364.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,883.67 : 205,479.99 = 91,559.16 : x
  2. Step 2: Convert to fraction form
    148,883.67/205,479.99 = 91,559.16/x
  3. Step 3: Cross multiply
    148,883.67x = 205,479.99 × 91,559.16
  4. Step 4: Simplify right side
    148,883.67x = 18,813,575,281.21
  5. Step 5: Solve for x
    x = 18,813,575,281.21/148,883.67
  6. Step 6: Final answer
    x = 126,364.26

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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.