Home / 103,164.81-142,392.73-62,900.75

Finding the Fourth Proportional to 103,164.81, 142,392.73 and 62,900.75

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Solution

The fourth proportional to 103,164.81, 142,392.73 and 62,900.75 is: 86,818.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,164.81 : 142,392.73 = 62,900.75 : x
  2. Step 2: Convert to fraction form
    103,164.81/142,392.73 = 62,900.75/x
  3. Step 3: Cross multiply
    103,164.81x = 142,392.73 × 62,900.75
  4. Step 4: Simplify right side
    103,164.81x = 8,956,609,511.55
  5. Step 5: Solve for x
    x = 8,956,609,511.55/103,164.81
  6. Step 6: Final answer
    x = 86,818.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.