Home / 155,437.20-233,155.80-66,675.60

Finding the Fourth Proportional to 155,437.20, 233,155.80 and 66,675.60

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Solution

The fourth proportional to 155,437.20, 233,155.80 and 66,675.60 is: 100,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,437.20 : 233,155.80 = 66,675.60 : x
  2. Step 2: Convert to fraction form
    155,437.20/233,155.80 = 66,675.60/x
  3. Step 3: Cross multiply
    155,437.20x = 233,155.80 × 66,675.60
  4. Step 4: Simplify right side
    155,437.20x = 15,545,802,858.48
  5. Step 5: Solve for x
    x = 15,545,802,858.48/155,437.20
  6. Step 6: Final answer
    x = 100,013.40

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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.