Home / 210,263.04-315,273.36-143,783.71

Finding the Fourth Proportional to 210,263.04, 315,273.36 and 143,783.71

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Solution

The fourth proportional to 210,263.04, 315,273.36 and 143,783.71 is: 215,592.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,263.04 : 315,273.36 = 143,783.71 : x
  2. Step 2: Convert to fraction form
    210,263.04/315,273.36 = 143,783.71/x
  3. Step 3: Cross multiply
    210,263.04x = 315,273.36 × 143,783.71
  4. Step 4: Simplify right side
    210,263.04x = 45,331,173,115.97
  5. Step 5: Solve for x
    x = 45,331,173,115.97/210,263.04
  6. Step 6: Final answer
    x = 215,592.68

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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.