Home / 135,006.40-202,509.60-133,038.10

Finding the Fourth Proportional to 135,006.40, 202,509.60 and 133,038.10

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Solution

The fourth proportional to 135,006.40, 202,509.60 and 133,038.10 is: 199,557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,006.40 : 202,509.60 = 133,038.10 : x
  2. Step 2: Convert to fraction form
    135,006.40/202,509.60 = 133,038.10/x
  3. Step 3: Cross multiply
    135,006.40x = 202,509.60 × 133,038.10
  4. Step 4: Simplify right side
    135,006.40x = 26,941,492,415.76
  5. Step 5: Solve for x
    x = 26,941,492,415.76/135,006.40
  6. Step 6: Final answer
    x = 199,557.15

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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.