Home / 211,746.76-317,728.98-140,718.47

Finding the Fourth Proportional to 211,746.76, 317,728.98 and 140,718.47

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Solution

The fourth proportional to 211,746.76, 317,728.98 and 140,718.47 is: 211,150.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,746.76 : 317,728.98 = 140,718.47 : x
  2. Step 2: Convert to fraction form
    211,746.76/317,728.98 = 140,718.47/x
  3. Step 3: Cross multiply
    211,746.76x = 317,728.98 × 140,718.47
  4. Step 4: Simplify right side
    211,746.76x = 44,710,334,351.62
  5. Step 5: Solve for x
    x = 44,710,334,351.62/211,746.76
  6. Step 6: Final answer
    x = 211,150.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.