Home / 103,529.49-155,491.08-64,360.32

Finding the Fourth Proportional to 103,529.49, 155,491.08 and 64,360.32

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Solution

The fourth proportional to 103,529.49, 155,491.08 and 64,360.32 is: 96,662.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,529.49 : 155,491.08 = 64,360.32 : x
  2. Step 2: Convert to fraction form
    103,529.49/155,491.08 = 64,360.32/x
  3. Step 3: Cross multiply
    103,529.49x = 155,491.08 × 64,360.32
  4. Step 4: Simplify right side
    103,529.49x = 10,007,455,665.95
  5. Step 5: Solve for x
    x = 10,007,455,665.95/103,529.49
  6. Step 6: Final answer
    x = 96,662.85

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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.