Home / 178,088.81-267,147.09-51,731.10

Finding the Fourth Proportional to 178,088.81, 267,147.09 and 51,731.10

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Solution

The fourth proportional to 178,088.81, 267,147.09 and 51,731.10 is: 77,600.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,088.81 : 267,147.09 = 51,731.10 : x
  2. Step 2: Convert to fraction form
    178,088.81/267,147.09 = 51,731.10/x
  3. Step 3: Cross multiply
    178,088.81x = 267,147.09 × 51,731.10
  4. Step 4: Simplify right side
    178,088.81x = 13,819,812,827.50
  5. Step 5: Solve for x
    x = 13,819,812,827.50/178,088.81
  6. Step 6: Final answer
    x = 77,600.68

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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.