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Finding the Fourth Proportional to 146,159.07, 201,700.13 and 79,091.07

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Solution

The fourth proportional to 146,159.07, 201,700.13 and 79,091.07 is: 109,146.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,159.07 : 201,700.13 = 79,091.07 : x
  2. Step 2: Convert to fraction form
    146,159.07/201,700.13 = 79,091.07/x
  3. Step 3: Cross multiply
    146,159.07x = 201,700.13 × 79,091.07
  4. Step 4: Simplify right side
    146,159.07x = 15,952,679,758.35
  5. Step 5: Solve for x
    x = 15,952,679,758.35/146,159.07
  6. Step 6: Final answer
    x = 109,146.01

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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.