Home / 239,840.07-359,727.29-71,386.40

Finding the Fourth Proportional to 239,840.07, 359,727.29 and 71,386.40

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Solution

The fourth proportional to 239,840.07, 359,727.29 and 71,386.40 is: 107,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,840.07 : 359,727.29 = 71,386.40 : x
  2. Step 2: Convert to fraction form
    239,840.07/359,727.29 = 71,386.40/x
  3. Step 3: Cross multiply
    239,840.07x = 359,727.29 × 71,386.40
  4. Step 4: Simplify right side
    239,840.07x = 25,679,634,059.29
  5. Step 5: Solve for x
    x = 25,679,634,059.29/239,840.07
  6. Step 6: Final answer
    x = 107,069.82

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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.