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Finding the Fourth Proportional to 173,459.47, 239,386.17 and 96,993.46

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Solution

The fourth proportional to 173,459.47, 239,386.17 and 96,993.46 is: 133,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,459.47 : 239,386.17 = 96,993.46 : x
  2. Step 2: Convert to fraction form
    173,459.47/239,386.17 = 96,993.46/x
  3. Step 3: Cross multiply
    173,459.47x = 239,386.17 × 96,993.46
  4. Step 4: Simplify right side
    173,459.47x = 23,218,892,904.45
  5. Step 5: Solve for x
    x = 23,218,892,904.45/173,459.47
  6. Step 6: Final answer
    x = 133,857.74

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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.