Home / 90,714.40-136,071.60-46,326.40

Finding the Fourth Proportional to 90,714.40, 136,071.60 and 46,326.40

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Solution

The fourth proportional to 90,714.40, 136,071.60 and 46,326.40 is: 69,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,714.40 : 136,071.60 = 46,326.40 : x
  2. Step 2: Convert to fraction form
    90,714.40/136,071.60 = 46,326.40/x
  3. Step 3: Cross multiply
    90,714.40x = 136,071.60 × 46,326.40
  4. Step 4: Simplify right side
    90,714.40x = 6,303,707,370.24
  5. Step 5: Solve for x
    x = 6,303,707,370.24/90,714.40
  6. Step 6: Final answer
    x = 69,489.60

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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.