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Finding the Fourth Proportional to 146,064.80, 201,551.04 and 85,621.52

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Solution

The fourth proportional to 146,064.80, 201,551.04 and 85,621.52 is: 118,146.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,064.80 : 201,551.04 = 85,621.52 : x
  2. Step 2: Convert to fraction form
    146,064.80/201,551.04 = 85,621.52/x
  3. Step 3: Cross multiply
    146,064.80x = 201,551.04 × 85,621.52
  4. Step 4: Simplify right side
    146,064.80x = 17,257,106,402.38
  5. Step 5: Solve for x
    x = 17,257,106,402.38/146,064.80
  6. Step 6: Final answer
    x = 118,146.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.