Home / 155,400.24-232,599.06-80,417.22

Finding the Fourth Proportional to 155,400.24, 232,599.06 and 80,417.22

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Solution

The fourth proportional to 155,400.24, 232,599.06 and 80,417.22 is: 120,366.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,400.24 : 232,599.06 = 80,417.22 : x
  2. Step 2: Convert to fraction form
    155,400.24/232,599.06 = 80,417.22/x
  3. Step 3: Cross multiply
    155,400.24x = 232,599.06 × 80,417.22
  4. Step 4: Simplify right side
    155,400.24x = 18,704,969,779.81
  5. Step 5: Solve for x
    x = 18,704,969,779.81/155,400.24
  6. Step 6: Final answer
    x = 120,366.42

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1.5x scale

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.