Home / 187,889.04-259,280-103,004.24

Finding the Fourth Proportional to 187,889.04, 259,280 and 103,004.24

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Solution

The fourth proportional to 187,889.04, 259,280 and 103,004.24 is: 142,142.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,889.04 : 259,280 = 103,004.24 : x
  2. Step 2: Convert to fraction form
    187,889.04/259,280 = 103,004.24/x
  3. Step 3: Cross multiply
    187,889.04x = 259,280 × 103,004.24
  4. Step 4: Simplify right side
    187,889.04x = 26,706,939,347.20
  5. Step 5: Solve for x
    x = 26,706,939,347.20/187,889.04
  6. Step 6: Final answer
    x = 142,142.08

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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.