Home / 103,628.35-155,533.65-61,455.70

Finding the Fourth Proportional to 103,628.35, 155,533.65 and 61,455.70

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Solution

The fourth proportional to 103,628.35, 155,533.65 and 61,455.70 is: 92,237.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,628.35 : 155,533.65 = 61,455.70 : x
  2. Step 2: Convert to fraction form
    103,628.35/155,533.65 = 61,455.70/x
  3. Step 3: Cross multiply
    103,628.35x = 155,533.65 × 61,455.70
  4. Step 4: Simplify right side
    103,628.35x = 9,558,429,334.31
  5. Step 5: Solve for x
    x = 9,558,429,334.31/103,628.35
  6. Step 6: Final answer
    x = 92,237.59

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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.