Home / 190,655.14-285,981.47-48,499.21

Finding the Fourth Proportional to 190,655.14, 285,981.47 and 48,499.21

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Solution

The fourth proportional to 190,655.14, 285,981.47 and 48,499.21 is: 72,748.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,655.14 : 285,981.47 = 48,499.21 : x
  2. Step 2: Convert to fraction form
    190,655.14/285,981.47 = 48,499.21/x
  3. Step 3: Cross multiply
    190,655.14x = 285,981.47 × 48,499.21
  4. Step 4: Simplify right side
    190,655.14x = 13,869,875,369.64
  5. Step 5: Solve for x
    x = 13,869,875,369.64/190,655.14
  6. Step 6: Final answer
    x = 72,748.50

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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.