Home / 94,935.04-142,439.31-87,184.55

Finding the Fourth Proportional to 94,935.04, 142,439.31 and 87,184.55

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Solution

The fourth proportional to 94,935.04, 142,439.31 and 87,184.55 is: 130,810.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,935.04 : 142,439.31 = 87,184.55 : x
  2. Step 2: Convert to fraction form
    94,935.04/142,439.31 = 87,184.55/x
  3. Step 3: Cross multiply
    94,935.04x = 142,439.31 × 87,184.55
  4. Step 4: Simplify right side
    94,935.04x = 12,418,507,500.76
  5. Step 5: Solve for x
    x = 12,418,507,500.76/94,935.04
  6. Step 6: Final answer
    x = 130,810.58

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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.