Home / 90,799.08-136,326.20-46,457.64

Finding the Fourth Proportional to 90,799.08, 136,326.20 and 46,457.64

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Solution

The fourth proportional to 90,799.08, 136,326.20 and 46,457.64 is: 69,751.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,799.08 : 136,326.20 = 46,457.64 : x
  2. Step 2: Convert to fraction form
    90,799.08/136,326.20 = 46,457.64/x
  3. Step 3: Cross multiply
    90,799.08x = 136,326.20 × 46,457.64
  4. Step 4: Simplify right side
    90,799.08x = 6,333,393,522.17
  5. Step 5: Solve for x
    x = 6,333,393,522.17/90,799.08
  6. Step 6: Final answer
    x = 69,751.74

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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.