Home / 97,397.40-146,039.76-38,163.72

Finding the Fourth Proportional to 97,397.40, 146,039.76 and 38,163.72

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Solution

The fourth proportional to 97,397.40, 146,039.76 and 38,163.72 is: 57,223.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,397.40 : 146,039.76 = 38,163.72 : x
  2. Step 2: Convert to fraction form
    97,397.40/146,039.76 = 38,163.72/x
  3. Step 3: Cross multiply
    97,397.40x = 146,039.76 × 38,163.72
  4. Step 4: Simplify right side
    97,397.40x = 5,573,420,509.51
  5. Step 5: Solve for x
    x = 5,573,420,509.51/97,397.40
  6. Step 6: Final answer
    x = 57,223.50

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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.