Home / 97,085.28-145,693.80-37,920.72

Finding the Fourth Proportional to 97,085.28, 145,693.80 and 37,920.72

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Solution

The fourth proportional to 97,085.28, 145,693.80 and 37,920.72 is: 56,906.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,085.28 : 145,693.80 = 37,920.72 : x
  2. Step 2: Convert to fraction form
    97,085.28/145,693.80 = 37,920.72/x
  3. Step 3: Cross multiply
    97,085.28x = 145,693.80 × 37,920.72
  4. Step 4: Simplify right side
    97,085.28x = 5,524,813,795.54
  5. Step 5: Solve for x
    x = 5,524,813,795.54/97,085.28
  6. Step 6: Final answer
    x = 56,906.81

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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.