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Finding the Fourth Proportional to 169,485.70, 254,228.55 and 43,125.70

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Solution

The fourth proportional to 169,485.70, 254,228.55 and 43,125.70 is: 64,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,485.70 : 254,228.55 = 43,125.70 : x
  2. Step 2: Convert to fraction form
    169,485.70/254,228.55 = 43,125.70/x
  3. Step 3: Cross multiply
    169,485.70x = 254,228.55 × 43,125.70
  4. Step 4: Simplify right side
    169,485.70x = 10,963,784,178.74
  5. Step 5: Solve for x
    x = 10,963,784,178.74/169,485.70
  6. Step 6: Final answer
    x = 64,688.55

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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.