Home / 90,690.67-136,050.09-46,293.40

Finding the Fourth Proportional to 90,690.67, 136,050.09 and 46,293.40

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Solution

The fourth proportional to 90,690.67, 136,050.09 and 46,293.40 is: 69,447.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,690.67 : 136,050.09 = 46,293.40 : x
  2. Step 2: Convert to fraction form
    90,690.67/136,050.09 = 46,293.40/x
  3. Step 3: Cross multiply
    90,690.67x = 136,050.09 × 46,293.40
  4. Step 4: Simplify right side
    90,690.67x = 6,298,221,236.41
  5. Step 5: Solve for x
    x = 6,298,221,236.41/90,690.67
  6. Step 6: Final answer
    x = 69,447.29

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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.