Home / 135,025.18-202,347.62-103,312.46

Finding the Fourth Proportional to 135,025.18, 202,347.62 and 103,312.46

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Solution

The fourth proportional to 135,025.18, 202,347.62 and 103,312.46 is: 154,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,025.18 : 202,347.62 = 103,312.46 : x
  2. Step 2: Convert to fraction form
    135,025.18/202,347.62 = 103,312.46/x
  3. Step 3: Cross multiply
    135,025.18x = 202,347.62 × 103,312.46
  4. Step 4: Simplify right side
    135,025.18x = 20,905,030,397.35
  5. Step 5: Solve for x
    x = 20,905,030,397.35/135,025.18
  6. Step 6: Final answer
    x = 154,823.20

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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.