Home / 213,962.95-320,975.71-64,215.07

Finding the Fourth Proportional to 213,962.95, 320,975.71 and 64,215.07

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Solution

The fourth proportional to 213,962.95, 320,975.71 and 64,215.07 is: 96,332.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,962.95 : 320,975.71 = 64,215.07 : x
  2. Step 2: Convert to fraction form
    213,962.95/320,975.71 = 64,215.07/x
  3. Step 3: Cross multiply
    213,962.95x = 320,975.71 × 64,215.07
  4. Step 4: Simplify right side
    213,962.95x = 20,611,478,769.27
  5. Step 5: Solve for x
    x = 20,611,478,769.27/213,962.95
  6. Step 6: Final answer
    x = 96,332.00

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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.