Home / 160,689.04-240,955.80-55,471.12

Finding the Fourth Proportional to 160,689.04, 240,955.80 and 55,471.12

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Solution

The fourth proportional to 160,689.04, 240,955.80 and 55,471.12 is: 83,179.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,689.04 : 240,955.80 = 55,471.12 : x
  2. Step 2: Convert to fraction form
    160,689.04/240,955.80 = 55,471.12/x
  3. Step 3: Cross multiply
    160,689.04x = 240,955.80 × 55,471.12
  4. Step 4: Simplify right side
    160,689.04x = 13,366,088,096.50
  5. Step 5: Solve for x
    x = 13,366,088,096.50/160,689.04
  6. Step 6: Final answer
    x = 83,179.84

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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.