Home / 141,810.30-212,701.05-48,314.70

Finding the Fourth Proportional to 141,810.30, 212,701.05 and 48,314.70

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Solution

The fourth proportional to 141,810.30, 212,701.05 and 48,314.70 is: 72,467.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,810.30 : 212,701.05 = 48,314.70 : x
  2. Step 2: Convert to fraction form
    141,810.30/212,701.05 = 48,314.70/x
  3. Step 3: Cross multiply
    141,810.30x = 212,701.05 × 48,314.70
  4. Step 4: Simplify right side
    141,810.30x = 10,276,587,420.44
  5. Step 5: Solve for x
    x = 10,276,587,420.44/141,810.30
  6. Step 6: Final answer
    x = 72,467.14

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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.