Home / 102,012.36-152,548.78-97,035.72

Finding the Fourth Proportional to 102,012.36, 152,548.78 and 97,035.72

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Solution

The fourth proportional to 102,012.36, 152,548.78 and 97,035.72 is: 145,106.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,012.36 : 152,548.78 = 97,035.72 : x
  2. Step 2: Convert to fraction form
    102,012.36/152,548.78 = 97,035.72/x
  3. Step 3: Cross multiply
    102,012.36x = 152,548.78 × 97,035.72
  4. Step 4: Simplify right side
    102,012.36x = 14,802,680,702.42
  5. Step 5: Solve for x
    x = 14,802,680,702.42/102,012.36
  6. Step 6: Final answer
    x = 145,106.74

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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.