Home / 113,389.60-170,100.03-38,489.63

Finding the Fourth Proportional to 113,389.60, 170,100.03 and 38,489.63

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Solution

The fourth proportional to 113,389.60, 170,100.03 and 38,489.63 is: 57,739.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,389.60 : 170,100.03 = 38,489.63 : x
  2. Step 2: Convert to fraction form
    113,389.60/170,100.03 = 38,489.63/x
  3. Step 3: Cross multiply
    113,389.60x = 170,100.03 × 38,489.63
  4. Step 4: Simplify right side
    113,389.60x = 6,547,087,217.69
  5. Step 5: Solve for x
    x = 6,547,087,217.69/113,389.60
  6. Step 6: Final answer
    x = 57,739.75

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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.