Home / 185,029.84-255,342.90-100,148.68

Finding the Fourth Proportional to 185,029.84, 255,342.90 and 100,148.68

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Solution

The fourth proportional to 185,029.84, 255,342.90 and 100,148.68 is: 138,206.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,029.84 : 255,342.90 = 100,148.68 : x
  2. Step 2: Convert to fraction form
    185,029.84/255,342.90 = 100,148.68/x
  3. Step 3: Cross multiply
    185,029.84x = 255,342.90 × 100,148.68
  4. Step 4: Simplify right side
    185,029.84x = 25,572,254,382.37
  5. Step 5: Solve for x
    x = 25,572,254,382.37/185,029.84
  6. Step 6: Final answer
    x = 138,206.11

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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.