Home / 145,075.68-217,607.04-39,895.20

Finding the Fourth Proportional to 145,075.68, 217,607.04 and 39,895.20

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Solution

The fourth proportional to 145,075.68, 217,607.04 and 39,895.20 is: 59,841.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,075.68 : 217,607.04 = 39,895.20 : x
  2. Step 2: Convert to fraction form
    145,075.68/217,607.04 = 39,895.20/x
  3. Step 3: Cross multiply
    145,075.68x = 217,607.04 × 39,895.20
  4. Step 4: Simplify right side
    145,075.68x = 8,681,476,382.21
  5. Step 5: Solve for x
    x = 8,681,476,382.21/145,075.68
  6. Step 6: Final answer
    x = 59,841.02

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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.