Home / 155,262.12-232,725.80-75,130.84

Finding the Fourth Proportional to 155,262.12, 232,725.80 and 75,130.84

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Solution

The fourth proportional to 155,262.12, 232,725.80 and 75,130.84 is: 112,615.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,262.12 : 232,725.80 = 75,130.84 : x
  2. Step 2: Convert to fraction form
    155,262.12/232,725.80 = 75,130.84/x
  3. Step 3: Cross multiply
    155,262.12x = 232,725.80 × 75,130.84
  4. Step 4: Simplify right side
    155,262.12x = 17,484,884,843.67
  5. Step 5: Solve for x
    x = 17,484,884,843.67/155,262.12
  6. Step 6: Final answer
    x = 112,615.27

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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.