Home / 103,624.10-142,381.55-82,366.46

Finding the Fourth Proportional to 103,624.10, 142,381.55 and 82,366.46

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Solution

The fourth proportional to 103,624.10, 142,381.55 and 82,366.46 is: 113,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,624.10 : 142,381.55 = 82,366.46 : x
  2. Step 2: Convert to fraction form
    103,624.10/142,381.55 = 82,366.46/x
  3. Step 3: Cross multiply
    103,624.10x = 142,381.55 × 82,366.46
  4. Step 4: Simplify right side
    103,624.10x = 11,727,464,242.81
  5. Step 5: Solve for x
    x = 11,727,464,242.81/103,624.10
  6. Step 6: Final answer
    x = 113,173.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.