Home / 155,280.32-232,969.70-55,438.30

Finding the Fourth Proportional to 155,280.32, 232,969.70 and 55,438.30

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Solution

The fourth proportional to 155,280.32, 232,969.70 and 55,438.30 is: 83,175.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,280.32 : 232,969.70 = 55,438.30 : x
  2. Step 2: Convert to fraction form
    155,280.32/232,969.70 = 55,438.30/x
  3. Step 3: Cross multiply
    155,280.32x = 232,969.70 × 55,438.30
  4. Step 4: Simplify right side
    155,280.32x = 12,915,444,119.51
  5. Step 5: Solve for x
    x = 12,915,444,119.51/155,280.32
  6. Step 6: Final answer
    x = 83,175.02

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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.