Home / 90,858.04-136,314.97-46,515.92

Finding the Fourth Proportional to 90,858.04, 136,314.97 and 46,515.92

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Solution

The fourth proportional to 90,858.04, 136,314.97 and 46,515.92 is: 69,788.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,858.04 : 136,314.97 = 46,515.92 : x
  2. Step 2: Convert to fraction form
    90,858.04/136,314.97 = 46,515.92/x
  3. Step 3: Cross multiply
    90,858.04x = 136,314.97 × 46,515.92
  4. Step 4: Simplify right side
    90,858.04x = 6,340,815,557.75
  5. Step 5: Solve for x
    x = 6,340,815,557.75/90,858.04
  6. Step 6: Final answer
    x = 69,788.17

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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.