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Finding the Fourth Proportional to 115,533.56, 173,314.95 and 39,646.89

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Solution

The fourth proportional to 115,533.56, 173,314.95 and 39,646.89 is: 59,475.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,533.56 : 173,314.95 = 39,646.89 : x
  2. Step 2: Convert to fraction form
    115,533.56/173,314.95 = 39,646.89/x
  3. Step 3: Cross multiply
    115,533.56x = 173,314.95 × 39,646.89
  4. Step 4: Simplify right side
    115,533.56x = 6,871,398,758.01
  5. Step 5: Solve for x
    x = 6,871,398,758.01/115,533.56
  6. Step 6: Final answer
    x = 59,475.35

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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.