Home / 188,125.05-282,284.40-124,988.64

Finding the Fourth Proportional to 188,125.05, 282,284.40 and 124,988.64

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Solution

The fourth proportional to 188,125.05, 282,284.40 and 124,988.64 is: 187,547.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,125.05 : 282,284.40 = 124,988.64 : x
  2. Step 2: Convert to fraction form
    188,125.05/282,284.40 = 124,988.64/x
  3. Step 3: Cross multiply
    188,125.05x = 282,284.40 × 124,988.64
  4. Step 4: Simplify right side
    188,125.05x = 35,282,341,837.79
  5. Step 5: Solve for x
    x = 35,282,341,837.79/188,125.05
  6. Step 6: Final answer
    x = 187,547.29

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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.