Home / 183,417.48-275,140.80-78,237.36

Finding the Fourth Proportional to 183,417.48, 275,140.80 and 78,237.36

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Solution

The fourth proportional to 183,417.48, 275,140.80 and 78,237.36 is: 117,362.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,417.48 : 275,140.80 = 78,237.36 : x
  2. Step 2: Convert to fraction form
    183,417.48/275,140.80 = 78,237.36/x
  3. Step 3: Cross multiply
    183,417.48x = 275,140.80 × 78,237.36
  4. Step 4: Simplify right side
    183,417.48x = 21,526,289,820.29
  5. Step 5: Solve for x
    x = 21,526,289,820.29/183,417.48
  6. Step 6: Final answer
    x = 117,362.26

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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.