Home / 155,205.15-232,862.40-76,266.60

Finding the Fourth Proportional to 155,205.15, 232,862.40 and 76,266.60

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Solution

The fourth proportional to 155,205.15, 232,862.40 and 76,266.60 is: 114,426.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,205.15 : 232,862.40 = 76,266.60 : x
  2. Step 2: Convert to fraction form
    155,205.15/232,862.40 = 76,266.60/x
  3. Step 3: Cross multiply
    155,205.15x = 232,862.40 × 76,266.60
  4. Step 4: Simplify right side
    155,205.15x = 17,759,623,515.84
  5. Step 5: Solve for x
    x = 17,759,623,515.84/155,205.15
  6. Step 6: Final answer
    x = 114,426.77

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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.