Home / 145,259.04-217,882.62-40,075.32

Finding the Fourth Proportional to 145,259.04, 217,882.62 and 40,075.32

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Solution

The fourth proportional to 145,259.04, 217,882.62 and 40,075.32 is: 60,111.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,259.04 : 217,882.62 = 40,075.32 : x
  2. Step 2: Convert to fraction form
    145,259.04/217,882.62 = 40,075.32/x
  3. Step 3: Cross multiply
    145,259.04x = 217,882.62 × 40,075.32
  4. Step 4: Simplify right side
    145,259.04x = 8,731,715,718.94
  5. Step 5: Solve for x
    x = 8,731,715,718.94/145,259.04
  6. Step 6: Final answer
    x = 60,111.34

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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.