Home / 190,528.57-285,792.99-48,384.51

Finding the Fourth Proportional to 190,528.57, 285,792.99 and 48,384.51

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Solution

The fourth proportional to 190,528.57, 285,792.99 and 48,384.51 is: 72,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,528.57 : 285,792.99 = 48,384.51 : x
  2. Step 2: Convert to fraction form
    190,528.57/285,792.99 = 48,384.51/x
  3. Step 3: Cross multiply
    190,528.57x = 285,792.99 × 48,384.51
  4. Step 4: Simplify right side
    190,528.57x = 13,827,953,782.58
  5. Step 5: Solve for x
    x = 13,827,953,782.58/190,528.57
  6. Step 6: Final answer
    x = 72,576.80

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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.