Home / 102,064.38-153,099.45-28,192.38

Finding the Fourth Proportional to 102,064.38, 153,099.45 and 28,192.38

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Solution

The fourth proportional to 102,064.38, 153,099.45 and 28,192.38 is: 42,289.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,064.38 : 153,099.45 = 28,192.38 : x
  2. Step 2: Convert to fraction form
    102,064.38/153,099.45 = 28,192.38/x
  3. Step 3: Cross multiply
    102,064.38x = 153,099.45 × 28,192.38
  4. Step 4: Simplify right side
    102,064.38x = 4,316,237,872.19
  5. Step 5: Solve for x
    x = 4,316,237,872.19/102,064.38
  6. Step 6: Final answer
    x = 42,289.37

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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.