Home / 130,268.96-179,851.80-99,996.32

Finding the Fourth Proportional to 130,268.96, 179,851.80 and 99,996.32

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Solution

The fourth proportional to 130,268.96, 179,851.80 and 99,996.32 is: 138,056.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,268.96 : 179,851.80 = 99,996.32 : x
  2. Step 2: Convert to fraction form
    130,268.96/179,851.80 = 99,996.32/x
  3. Step 3: Cross multiply
    130,268.96x = 179,851.80 × 99,996.32
  4. Step 4: Simplify right side
    130,268.96x = 17,984,518,145.38
  5. Step 5: Solve for x
    x = 17,984,518,145.38/130,268.96
  6. Step 6: Final answer
    x = 138,056.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.