Home / 183,985.04-275,427.52-112,683.20

Finding the Fourth Proportional to 183,985.04, 275,427.52 and 112,683.20

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Solution

The fourth proportional to 183,985.04, 275,427.52 and 112,683.20 is: 168,687.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,985.04 : 275,427.52 = 112,683.20 : x
  2. Step 2: Convert to fraction form
    183,985.04/275,427.52 = 112,683.20/x
  3. Step 3: Cross multiply
    183,985.04x = 275,427.52 × 112,683.20
  4. Step 4: Simplify right side
    183,985.04x = 31,036,054,321.66
  5. Step 5: Solve for x
    x = 31,036,054,321.66/183,985.04
  6. Step 6: Final answer
    x = 168,687.92

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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.