Home / 210,282.59-315,345.97-75,325.63

Finding the Fourth Proportional to 210,282.59, 315,345.97 and 75,325.63

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Solution

The fourth proportional to 210,282.59, 315,345.97 and 75,325.63 is: 112,960.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,282.59 : 315,345.97 = 75,325.63 : x
  2. Step 2: Convert to fraction form
    210,282.59/315,345.97 = 75,325.63/x
  3. Step 3: Cross multiply
    210,282.59x = 315,345.97 × 75,325.63
  4. Step 4: Simplify right side
    210,282.59x = 23,753,632,881.53
  5. Step 5: Solve for x
    x = 23,753,632,881.53/210,282.59
  6. Step 6: Final answer
    x = 112,960.53

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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.