Home / 264,123.48-396,178.74-77,136.60

Finding the Fourth Proportional to 264,123.48, 396,178.74 and 77,136.60

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Solution

The fourth proportional to 264,123.48, 396,178.74 and 77,136.60 is: 115,703.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,123.48 : 396,178.74 = 77,136.60 : x
  2. Step 2: Convert to fraction form
    264,123.48/396,178.74 = 77,136.60/x
  3. Step 3: Cross multiply
    264,123.48x = 396,178.74 × 77,136.60
  4. Step 4: Simplify right side
    264,123.48x = 30,559,880,995.88
  5. Step 5: Solve for x
    x = 30,559,880,995.88/264,123.48
  6. Step 6: Final answer
    x = 115,703.01

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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.