Home / 142,547.20-213,821.70-37,365.26

Finding the Fourth Proportional to 142,547.20, 213,821.70 and 37,365.26

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Solution

The fourth proportional to 142,547.20, 213,821.70 and 37,365.26 is: 56,048.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,547.20 : 213,821.70 = 37,365.26 : x
  2. Step 2: Convert to fraction form
    142,547.20/213,821.70 = 37,365.26/x
  3. Step 3: Cross multiply
    142,547.20x = 213,821.70 × 37,365.26
  4. Step 4: Simplify right side
    142,547.20x = 7,989,503,414.14
  5. Step 5: Solve for x
    x = 7,989,503,414.14/142,547.20
  6. Step 6: Final answer
    x = 56,048.13

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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.