Home / 141,379.60-212,069.40-42,883.60

Finding the Fourth Proportional to 141,379.60, 212,069.40 and 42,883.60

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Solution

The fourth proportional to 141,379.60, 212,069.40 and 42,883.60 is: 64,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,379.60 : 212,069.40 = 42,883.60 : x
  2. Step 2: Convert to fraction form
    141,379.60/212,069.40 = 42,883.60/x
  3. Step 3: Cross multiply
    141,379.60x = 212,069.40 × 42,883.60
  4. Step 4: Simplify right side
    141,379.60x = 9,094,299,321.84
  5. Step 5: Solve for x
    x = 9,094,299,321.84/141,379.60
  6. Step 6: Final answer
    x = 64,325.40

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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.