Home / 90,860.88-136,189.80-46,356.24

Finding the Fourth Proportional to 90,860.88, 136,189.80 and 46,356.24

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Solution

The fourth proportional to 90,860.88, 136,189.80 and 46,356.24 is: 69,482.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,860.88 : 136,189.80 = 46,356.24 : x
  2. Step 2: Convert to fraction form
    90,860.88/136,189.80 = 46,356.24/x
  3. Step 3: Cross multiply
    90,860.88x = 136,189.80 × 46,356.24
  4. Step 4: Simplify right side
    90,860.88x = 6,313,247,054.35
  5. Step 5: Solve for x
    x = 6,313,247,054.35/90,860.88
  6. Step 6: Final answer
    x = 69,482.57

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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.