Home / 158,130.64-218,229.96-91,084.24

Finding the Fourth Proportional to 158,130.64, 218,229.96 and 91,084.24

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Solution

The fourth proportional to 158,130.64, 218,229.96 and 91,084.24 is: 125,701.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,130.64 : 218,229.96 = 91,084.24 : x
  2. Step 2: Convert to fraction form
    158,130.64/218,229.96 = 91,084.24/x
  3. Step 3: Cross multiply
    158,130.64x = 218,229.96 × 91,084.24
  4. Step 4: Simplify right side
    158,130.64x = 19,877,310,051.83
  5. Step 5: Solve for x
    x = 19,877,310,051.83/158,130.64
  6. Step 6: Final answer
    x = 125,701.83

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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.