Home / 237,815.70-328,181.94-130,386.66

Finding the Fourth Proportional to 237,815.70, 328,181.94 and 130,386.66

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Solution

The fourth proportional to 237,815.70, 328,181.94 and 130,386.66 is: 179,931.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,815.70 : 328,181.94 = 130,386.66 : x
  2. Step 2: Convert to fraction form
    237,815.70/328,181.94 = 130,386.66/x
  3. Step 3: Cross multiply
    237,815.70x = 328,181.94 × 130,386.66
  4. Step 4: Simplify right side
    237,815.70x = 42,790,547,028.92
  5. Step 5: Solve for x
    x = 42,790,547,028.92/237,815.70
  6. Step 6: Final answer
    x = 179,931.55

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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.