Home / 103,739.40-155,250.70-62,216.20

Finding the Fourth Proportional to 103,739.40, 155,250.70 and 62,216.20

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Solution

The fourth proportional to 103,739.40, 155,250.70 and 62,216.20 is: 93,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,739.40 : 155,250.70 = 62,216.20 : x
  2. Step 2: Convert to fraction form
    103,739.40/155,250.70 = 62,216.20/x
  3. Step 3: Cross multiply
    103,739.40x = 155,250.70 × 62,216.20
  4. Step 4: Simplify right side
    103,739.40x = 9,659,108,601.34
  5. Step 5: Solve for x
    x = 9,659,108,601.34/103,739.40
  6. Step 6: Final answer
    x = 93,109.35

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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.