Home / 210,015.75-315,023.64-62,271.75

Finding the Fourth Proportional to 210,015.75, 315,023.64 and 62,271.75

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Solution

The fourth proportional to 210,015.75, 315,023.64 and 62,271.75 is: 93,407.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,015.75 : 315,023.64 = 62,271.75 : x
  2. Step 2: Convert to fraction form
    210,015.75/315,023.64 = 62,271.75/x
  3. Step 3: Cross multiply
    210,015.75x = 315,023.64 × 62,271.75
  4. Step 4: Simplify right side
    210,015.75x = 19,617,073,354.17
  5. Step 5: Solve for x
    x = 19,617,073,354.17/210,015.75
  6. Step 6: Final answer
    x = 93,407.63

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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.