Home / 141,938.21-212,870.99-42,075.06

Finding the Fourth Proportional to 141,938.21, 212,870.99 and 42,075.06

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Solution

The fourth proportional to 141,938.21, 212,870.99 and 42,075.06 is: 63,101.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,938.21 : 212,870.99 = 42,075.06 : x
  2. Step 2: Convert to fraction form
    141,938.21/212,870.99 = 42,075.06/x
  3. Step 3: Cross multiply
    141,938.21x = 212,870.99 × 42,075.06
  4. Step 4: Simplify right side
    141,938.21x = 8,956,559,466.13
  5. Step 5: Solve for x
    x = 8,956,559,466.13/141,938.21
  6. Step 6: Final answer
    x = 63,101.82

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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.