Home / 129,681.04-194,466.46-50,782.72

Finding the Fourth Proportional to 129,681.04, 194,466.46 and 50,782.72

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Solution

The fourth proportional to 129,681.04, 194,466.46 and 50,782.72 is: 76,152.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,681.04 : 194,466.46 = 50,782.72 : x
  2. Step 2: Convert to fraction form
    129,681.04/194,466.46 = 50,782.72/x
  3. Step 3: Cross multiply
    129,681.04x = 194,466.46 × 50,782.72
  4. Step 4: Simplify right side
    129,681.04x = 9,875,535,787.57
  5. Step 5: Solve for x
    x = 9,875,535,787.57/129,681.04
  6. Step 6: Final answer
    x = 76,152.50

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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.