Home / 210,278.09-315,421.56-75,350.95

Finding the Fourth Proportional to 210,278.09, 315,421.56 and 75,350.95

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Solution

The fourth proportional to 210,278.09, 315,421.56 and 75,350.95 is: 113,028.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,278.09 : 315,421.56 = 75,350.95 : x
  2. Step 2: Convert to fraction form
    210,278.09/315,421.56 = 75,350.95/x
  3. Step 3: Cross multiply
    210,278.09x = 315,421.56 × 75,350.95
  4. Step 4: Simplify right side
    210,278.09x = 23,767,312,242.62
  5. Step 5: Solve for x
    x = 23,767,312,242.62/210,278.09
  6. Step 6: Final answer
    x = 113,028.00

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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.