Home / 152,526.25-210,471.42-84,541.78

Finding the Fourth Proportional to 152,526.25, 210,471.42 and 84,541.78

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Solution

The fourth proportional to 152,526.25, 210,471.42 and 84,541.78 is: 116,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,526.25 : 210,471.42 = 84,541.78 : x
  2. Step 2: Convert to fraction form
    152,526.25/210,471.42 = 84,541.78/x
  3. Step 3: Cross multiply
    152,526.25x = 210,471.42 × 84,541.78
  4. Step 4: Simplify right side
    152,526.25x = 17,793,628,485.93
  5. Step 5: Solve for x
    x = 17,793,628,485.93/152,526.25
  6. Step 6: Final answer
    x = 116,659.45

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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.