Home / 146,345.60-201,956.40-79,277.60

Finding the Fourth Proportional to 146,345.60, 201,956.40 and 79,277.60

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Solution

The fourth proportional to 146,345.60, 201,956.40 and 79,277.60 is: 109,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,345.60 : 201,956.40 = 79,277.60 : x
  2. Step 2: Convert to fraction form
    146,345.60/201,956.40 = 79,277.60/x
  3. Step 3: Cross multiply
    146,345.60x = 201,956.40 × 79,277.60
  4. Step 4: Simplify right side
    146,345.60x = 16,010,618,696.64
  5. Step 5: Solve for x
    x = 16,010,618,696.64/146,345.60
  6. Step 6: Final answer
    x = 109,402.80

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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.