Home / 160,188.71-240,381.89-81,359.51

Finding the Fourth Proportional to 160,188.71, 240,381.89 and 81,359.51

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Solution

The fourth proportional to 160,188.71, 240,381.89 and 81,359.51 is: 122,089.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,188.71 : 240,381.89 = 81,359.51 : x
  2. Step 2: Convert to fraction form
    160,188.71/240,381.89 = 81,359.51/x
  3. Step 3: Cross multiply
    160,188.71x = 240,381.89 × 81,359.51
  4. Step 4: Simplify right side
    160,188.71x = 19,557,352,376.48
  5. Step 5: Solve for x
    x = 19,557,352,376.48/160,188.71
  6. Step 6: Final answer
    x = 122,089.46

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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.