Home / 97,626.80-146,384.68-38,430.40

Finding the Fourth Proportional to 97,626.80, 146,384.68 and 38,430.40

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Solution

The fourth proportional to 97,626.80, 146,384.68 and 38,430.40 is: 57,623.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,626.80 : 146,384.68 = 38,430.40 : x
  2. Step 2: Convert to fraction form
    97,626.80/146,384.68 = 38,430.40/x
  3. Step 3: Cross multiply
    97,626.80x = 146,384.68 × 38,430.40
  4. Step 4: Simplify right side
    97,626.80x = 5,625,621,806.27
  5. Step 5: Solve for x
    x = 5,625,621,806.27/97,626.80
  6. Step 6: Final answer
    x = 57,623.74

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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.