Home / 187,929.07-281,855.35-69,572.27

Finding the Fourth Proportional to 187,929.07, 281,855.35 and 69,572.27

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Solution

The fourth proportional to 187,929.07, 281,855.35 and 69,572.27 is: 104,344.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,929.07 : 281,855.35 = 69,572.27 : x
  2. Step 2: Convert to fraction form
    187,929.07/281,855.35 = 69,572.27/x
  3. Step 3: Cross multiply
    187,929.07x = 281,855.35 × 69,572.27
  4. Step 4: Simplify right side
    187,929.07x = 19,609,316,511.14
  5. Step 5: Solve for x
    x = 19,609,316,511.14/187,929.07
  6. Step 6: Final answer
    x = 104,344.24

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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.