Home / 155,140.72-232,698.08-61,621.36

Finding the Fourth Proportional to 155,140.72, 232,698.08 and 61,621.36

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Solution

The fourth proportional to 155,140.72, 232,698.08 and 61,621.36 is: 92,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,140.72 : 232,698.08 = 61,621.36 : x
  2. Step 2: Convert to fraction form
    155,140.72/232,698.08 = 61,621.36/x
  3. Step 3: Cross multiply
    155,140.72x = 232,698.08 × 61,621.36
  4. Step 4: Simplify right side
    155,140.72x = 14,339,172,158.99
  5. Step 5: Solve for x
    x = 14,339,172,158.99/155,140.72
  6. Step 6: Final answer
    x = 92,426.88

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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.