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Finding the Fourth Proportional to 102,529.55, 153,810.17 and 43,365.55

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Solution

The fourth proportional to 102,529.55, 153,810.17 and 43,365.55 is: 65,055.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,529.55 : 153,810.17 = 43,365.55 : x
  2. Step 2: Convert to fraction form
    102,529.55/153,810.17 = 43,365.55/x
  3. Step 3: Cross multiply
    102,529.55x = 153,810.17 × 43,365.55
  4. Step 4: Simplify right side
    102,529.55x = 6,670,062,617.64
  5. Step 5: Solve for x
    x = 6,670,062,617.64/102,529.55
  6. Step 6: Final answer
    x = 65,055.03

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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.