Home / 141,938.70-212,871.74-42,075.56

Finding the Fourth Proportional to 141,938.70, 212,871.74 and 42,075.56

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Solution

The fourth proportional to 141,938.70, 212,871.74 and 42,075.56 is: 63,102.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,938.70 : 212,871.74 = 42,075.56 : x
  2. Step 2: Convert to fraction form
    141,938.70/212,871.74 = 42,075.56/x
  3. Step 3: Cross multiply
    141,938.70x = 212,871.74 × 42,075.56
  4. Step 4: Simplify right side
    141,938.70x = 8,956,697,668.67
  5. Step 5: Solve for x
    x = 8,956,697,668.67/141,938.70
  6. Step 6: Final answer
    x = 63,102.58

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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.