Home / 114,547.20-171,779.60-39,647

Finding the Fourth Proportional to 114,547.20, 171,779.60 and 39,647

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Solution

The fourth proportional to 114,547.20, 171,779.60 and 39,647 is: 59,456.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,547.20 : 171,779.60 = 39,647 : x
  2. Step 2: Convert to fraction form
    114,547.20/171,779.60 = 39,647/x
  3. Step 3: Cross multiply
    114,547.20x = 171,779.60 × 39,647
  4. Step 4: Simplify right side
    114,547.20x = 6,810,545,801.20
  5. Step 5: Solve for x
    x = 6,810,545,801.20/114,547.20
  6. Step 6: Final answer
    x = 59,456.24

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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.