Home / 155,651.40-233,477.10-137,280.60

Finding the Fourth Proportional to 155,651.40, 233,477.10 and 137,280.60

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Solution

The fourth proportional to 155,651.40, 233,477.10 and 137,280.60 is: 205,920.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,651.40 : 233,477.10 = 137,280.60 : x
  2. Step 2: Convert to fraction form
    155,651.40/233,477.10 = 137,280.60/x
  3. Step 3: Cross multiply
    155,651.40x = 233,477.10 × 137,280.60
  4. Step 4: Simplify right side
    155,651.40x = 32,051,876,374.26
  5. Step 5: Solve for x
    x = 32,051,876,374.26/155,651.40
  6. Step 6: Final answer
    x = 205,920.90

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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.