Home / 94,343.20-141,514.80-90,714.40

Finding the Fourth Proportional to 94,343.20, 141,514.80 and 90,714.40

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Solution

The fourth proportional to 94,343.20, 141,514.80 and 90,714.40 is: 136,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,343.20 : 141,514.80 = 90,714.40 : x
  2. Step 2: Convert to fraction form
    94,343.20/141,514.80 = 90,714.40/x
  3. Step 3: Cross multiply
    94,343.20x = 141,514.80 × 90,714.40
  4. Step 4: Simplify right side
    94,343.20x = 12,837,430,173.12
  5. Step 5: Solve for x
    x = 12,837,430,173.12/94,343.20
  6. Step 6: Final answer
    x = 136,071.60

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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.