Home / 172,902.07-259,366.47-66,337.03

Finding the Fourth Proportional to 172,902.07, 259,366.47 and 66,337.03

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Solution

The fourth proportional to 172,902.07, 259,366.47 and 66,337.03 is: 99,510.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,902.07 : 259,366.47 = 66,337.03 : x
  2. Step 2: Convert to fraction form
    172,902.07/259,366.47 = 66,337.03/x
  3. Step 3: Cross multiply
    172,902.07x = 259,366.47 × 66,337.03
  4. Step 4: Simplify right side
    172,902.07x = 17,205,601,301.38
  5. Step 5: Solve for x
    x = 17,205,601,301.38/172,902.07
  6. Step 6: Final answer
    x = 99,510.67

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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.