Home / 129,737.45-194,679.08-70,577.26

Finding the Fourth Proportional to 129,737.45, 194,679.08 and 70,577.26

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Solution

The fourth proportional to 129,737.45, 194,679.08 and 70,577.26 is: 105,905.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,737.45 : 194,679.08 = 70,577.26 : x
  2. Step 2: Convert to fraction form
    129,737.45/194,679.08 = 70,577.26/x
  3. Step 3: Cross multiply
    129,737.45x = 194,679.08 × 70,577.26
  4. Step 4: Simplify right side
    129,737.45x = 13,739,916,045.72
  5. Step 5: Solve for x
    x = 13,739,916,045.72/129,737.45
  6. Step 6: Final answer
    x = 105,905.55

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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.