Home / 172,087.04-237,431.58-103,148.48

Finding the Fourth Proportional to 172,087.04, 237,431.58 and 103,148.48

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Solution

The fourth proportional to 172,087.04, 237,431.58 and 103,148.48 is: 142,315.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,087.04 : 237,431.58 = 103,148.48 : x
  2. Step 2: Convert to fraction form
    172,087.04/237,431.58 = 103,148.48/x
  3. Step 3: Cross multiply
    172,087.04x = 237,431.58 × 103,148.48
  4. Step 4: Simplify right side
    172,087.04x = 24,490,706,581.00
  5. Step 5: Solve for x
    x = 24,490,706,581.00/172,087.04
  6. Step 6: Final answer
    x = 142,315.81

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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.