Home / 238,087.26-328,569.90-130,661.14

Finding the Fourth Proportional to 238,087.26, 328,569.90 and 130,661.14

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Solution

The fourth proportional to 238,087.26, 328,569.90 and 130,661.14 is: 180,317.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,087.26 : 328,569.90 = 130,661.14 : x
  2. Step 2: Convert to fraction form
    238,087.26/328,569.90 = 130,661.14/x
  3. Step 3: Cross multiply
    238,087.26x = 328,569.90 × 130,661.14
  4. Step 4: Simplify right side
    238,087.26x = 42,931,317,703.69
  5. Step 5: Solve for x
    x = 42,931,317,703.69/238,087.26
  6. Step 6: Final answer
    x = 180,317.58

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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.