Home / 141,123.76-211,641.88-47,607.64

Finding the Fourth Proportional to 141,123.76, 211,641.88 and 47,607.64

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Solution

The fourth proportional to 141,123.76, 211,641.88 and 47,607.64 is: 71,396.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,123.76 : 211,641.88 = 47,607.64 : x
  2. Step 2: Convert to fraction form
    141,123.76/211,641.88 = 47,607.64/x
  3. Step 3: Cross multiply
    141,123.76x = 211,641.88 × 47,607.64
  4. Step 4: Simplify right side
    141,123.76x = 10,075,770,431.96
  5. Step 5: Solve for x
    x = 10,075,770,431.96/141,123.76
  6. Step 6: Final answer
    x = 71,396.70

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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.