Home / 97,162.07-145,483.70-57,147.66

Finding the Fourth Proportional to 97,162.07, 145,483.70 and 57,147.66

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Solution

The fourth proportional to 97,162.07, 145,483.70 and 57,147.66 is: 85,568.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,162.07 : 145,483.70 = 57,147.66 : x
  2. Step 2: Convert to fraction form
    97,162.07/145,483.70 = 57,147.66/x
  3. Step 3: Cross multiply
    97,162.07x = 145,483.70 × 57,147.66
  4. Step 4: Simplify right side
    97,162.07x = 8,314,052,737.40
  5. Step 5: Solve for x
    x = 8,314,052,737.40/97,162.07
  6. Step 6: Final answer
    x = 85,568.92

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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.