Home / 185,152.40-255,509.04-100,267.52

Finding the Fourth Proportional to 185,152.40, 255,509.04 and 100,267.52

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Solution

The fourth proportional to 185,152.40, 255,509.04 and 100,267.52 is: 138,368.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,152.40 : 255,509.04 = 100,267.52 : x
  2. Step 2: Convert to fraction form
    185,152.40/255,509.04 = 100,267.52/x
  3. Step 3: Cross multiply
    185,152.40x = 255,509.04 × 100,267.52
  4. Step 4: Simplify right side
    185,152.40x = 25,619,257,778.38
  5. Step 5: Solve for x
    x = 25,619,257,778.38/185,152.40
  6. Step 6: Final answer
    x = 138,368.49

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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.