Home / 141,523.20-212,457.60-140,486.40

Finding the Fourth Proportional to 141,523.20, 212,457.60 and 140,486.40

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Solution

The fourth proportional to 141,523.20, 212,457.60 and 140,486.40 is: 210,901.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,523.20 : 212,457.60 = 140,486.40 : x
  2. Step 2: Convert to fraction form
    141,523.20/212,457.60 = 140,486.40/x
  3. Step 3: Cross multiply
    141,523.20x = 212,457.60 × 140,486.40
  4. Step 4: Simplify right side
    141,523.20x = 29,847,403,376.64
  5. Step 5: Solve for x
    x = 29,847,403,376.64/141,523.20
  6. Step 6: Final answer
    x = 210,901.13

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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.