Home / 185,173.98-255,539.28-103,502.12

Finding the Fourth Proportional to 185,173.98, 255,539.28 and 103,502.12

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Solution

The fourth proportional to 185,173.98, 255,539.28 and 103,502.12 is: 142,832.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,173.98 : 255,539.28 = 103,502.12 : x
  2. Step 2: Convert to fraction form
    185,173.98/255,539.28 = 103,502.12/x
  3. Step 3: Cross multiply
    185,173.98x = 255,539.28 × 103,502.12
  4. Step 4: Simplify right side
    185,173.98x = 26,448,856,333.71
  5. Step 5: Solve for x
    x = 26,448,856,333.71/185,173.98
  6. Step 6: Final answer
    x = 142,832.47

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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.