Home / 128,088.46-192,001.42-53,252.02

Finding the Fourth Proportional to 128,088.46, 192,001.42 and 53,252.02

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Solution

The fourth proportional to 128,088.46, 192,001.42 and 53,252.02 is: 79,823.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,088.46 : 192,001.42 = 53,252.02 : x
  2. Step 2: Convert to fraction form
    128,088.46/192,001.42 = 53,252.02/x
  3. Step 3: Cross multiply
    128,088.46x = 192,001.42 × 53,252.02
  4. Step 4: Simplify right side
    128,088.46x = 10,224,463,457.87
  5. Step 5: Solve for x
    x = 10,224,463,457.87/128,088.46
  6. Step 6: Final answer
    x = 79,823.46

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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.