Home / 187,880.76-259,291.80-103,014.36

Finding the Fourth Proportional to 187,880.76, 259,291.80 and 103,014.36

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Solution

The fourth proportional to 187,880.76, 259,291.80 and 103,014.36 is: 142,168.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,880.76 : 259,291.80 = 103,014.36 : x
  2. Step 2: Convert to fraction form
    187,880.76/259,291.80 = 103,014.36/x
  3. Step 3: Cross multiply
    187,880.76x = 259,291.80 × 103,014.36
  4. Step 4: Simplify right side
    187,880.76x = 26,710,778,830.25
  5. Step 5: Solve for x
    x = 26,710,778,830.25/187,880.76
  6. Step 6: Final answer
    x = 142,168.78

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1.5x scale

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.