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Finding the Fourth Proportional to 189,019.98, 260,848.22 and 104,136.84

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Solution

The fourth proportional to 189,019.98, 260,848.22 and 104,136.84 is: 143,709.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,019.98 : 260,848.22 = 104,136.84 : x
  2. Step 2: Convert to fraction form
    189,019.98/260,848.22 = 104,136.84/x
  3. Step 3: Cross multiply
    189,019.98x = 260,848.22 × 104,136.84
  4. Step 4: Simplify right side
    189,019.98x = 27,163,908,829.74
  5. Step 5: Solve for x
    x = 27,163,908,829.74/189,019.98
  6. Step 6: Final answer
    x = 143,709.19

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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.