Home / 135,075.47-202,432.10-105,125.87

Finding the Fourth Proportional to 135,075.47, 202,432.10 and 105,125.87

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Solution

The fourth proportional to 135,075.47, 202,432.10 and 105,125.87 is: 157,547.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,075.47 : 202,432.10 = 105,125.87 : x
  2. Step 2: Convert to fraction form
    135,075.47/202,432.10 = 105,125.87/x
  3. Step 3: Cross multiply
    135,075.47x = 202,432.10 × 105,125.87
  4. Step 4: Simplify right side
    135,075.47x = 21,280,850,608.88
  5. Step 5: Solve for x
    x = 21,280,850,608.88/135,075.47
  6. Step 6: Final answer
    x = 157,547.85

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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.