Home / 166,823.51-251,373.64-137,889.50

Finding the Fourth Proportional to 166,823.51, 251,373.64 and 137,889.50

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Solution

The fourth proportional to 166,823.51, 251,373.64 and 137,889.50 is: 207,775.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,823.51 : 251,373.64 = 137,889.50 : x
  2. Step 2: Convert to fraction form
    166,823.51/251,373.64 = 137,889.50/x
  3. Step 3: Cross multiply
    166,823.51x = 251,373.64 × 137,889.50
  4. Step 4: Simplify right side
    166,823.51x = 34,661,783,931.19
  5. Step 5: Solve for x
    x = 34,661,783,931.19/166,823.51
  6. Step 6: Final answer
    x = 207,775.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.