Home / 122,248.72-183,329.32-66,130.32

Finding the Fourth Proportional to 122,248.72, 183,329.32 and 66,130.32

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Solution

The fourth proportional to 122,248.72, 183,329.32 and 66,130.32 is: 99,171.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,248.72 : 183,329.32 = 66,130.32 : x
  2. Step 2: Convert to fraction form
    122,248.72/183,329.32 = 66,130.32/x
  3. Step 3: Cross multiply
    122,248.72x = 183,329.32 × 66,130.32
  4. Step 4: Simplify right side
    122,248.72x = 12,123,626,596.98
  5. Step 5: Solve for x
    x = 12,123,626,596.98/122,248.72
  6. Step 6: Final answer
    x = 99,171.81

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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.