Home / 145,787.36-201,254.10-102,801.87

Finding the Fourth Proportional to 145,787.36, 201,254.10 and 102,801.87

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Solution

The fourth proportional to 145,787.36, 201,254.10 and 102,801.87 is: 141,914.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,787.36 : 201,254.10 = 102,801.87 : x
  2. Step 2: Convert to fraction form
    145,787.36/201,254.10 = 102,801.87/x
  3. Step 3: Cross multiply
    145,787.36x = 201,254.10 × 102,801.87
  4. Step 4: Simplify right side
    145,787.36x = 20,689,297,825.17
  5. Step 5: Solve for x
    x = 20,689,297,825.17/145,787.36
  6. Step 6: Final answer
    x = 141,914.21

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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.