Home / 183,700.40-253,489.04-103,109.45

Finding the Fourth Proportional to 183,700.40, 253,489.04 and 103,109.45

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Solution

The fourth proportional to 183,700.40, 253,489.04 and 103,109.45 is: 142,281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,700.40 : 253,489.04 = 103,109.45 : x
  2. Step 2: Convert to fraction form
    183,700.40/253,489.04 = 103,109.45/x
  3. Step 3: Cross multiply
    183,700.40x = 253,489.04 × 103,109.45
  4. Step 4: Simplify right side
    183,700.40x = 26,137,113,712.44
  5. Step 5: Solve for x
    x = 26,137,113,712.44/183,700.40
  6. Step 6: Final answer
    x = 142,281.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.