Home / 141,737.28-195,606.32-78,075.04

Finding the Fourth Proportional to 141,737.28, 195,606.32 and 78,075.04

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Solution

The fourth proportional to 141,737.28, 195,606.32 and 78,075.04 is: 107,748.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,737.28 : 195,606.32 = 78,075.04 : x
  2. Step 2: Convert to fraction form
    141,737.28/195,606.32 = 78,075.04/x
  3. Step 3: Cross multiply
    141,737.28x = 195,606.32 × 78,075.04
  4. Step 4: Simplify right side
    141,737.28x = 15,271,971,258.25
  5. Step 5: Solve for x
    x = 15,271,971,258.25/141,737.28
  6. Step 6: Final answer
    x = 107,748.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.