Home / 141,645-212,503.98-52,899.12

Finding the Fourth Proportional to 141,645, 212,503.98 and 52,899.12

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Solution

The fourth proportional to 141,645, 212,503.98 and 52,899.12 is: 79,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,645 : 212,503.98 = 52,899.12 : x
  2. Step 2: Convert to fraction form
    141,645/212,503.98 = 52,899.12/x
  3. Step 3: Cross multiply
    141,645x = 212,503.98 × 52,899.12
  4. Step 4: Simplify right side
    141,645x = 11,241,273,538.50
  5. Step 5: Solve for x
    x = 11,241,273,538.50/141,645
  6. Step 6: Final answer
    x = 79,362.30

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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.