Home / 96,938.13-145,407.23-30,378.26

Finding the Fourth Proportional to 96,938.13, 145,407.23 and 30,378.26

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Solution

The fourth proportional to 96,938.13, 145,407.23 and 30,378.26 is: 45,567.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,938.13 : 145,407.23 = 30,378.26 : x
  2. Step 2: Convert to fraction form
    96,938.13/145,407.23 = 30,378.26/x
  3. Step 3: Cross multiply
    96,938.13x = 145,407.23 × 30,378.26
  4. Step 4: Simplify right side
    96,938.13x = 4,417,217,759.89
  5. Step 5: Solve for x
    x = 4,417,217,759.89/96,938.13
  6. Step 6: Final answer
    x = 45,567.39

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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.