Home / 160,035.90-240,204.46-81,206.70

Finding the Fourth Proportional to 160,035.90, 240,204.46 and 81,206.70

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Solution

The fourth proportional to 160,035.90, 240,204.46 and 81,206.70 is: 121,886.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,035.90 : 240,204.46 = 81,206.70 : x
  2. Step 2: Convert to fraction form
    160,035.90/240,204.46 = 81,206.70/x
  3. Step 3: Cross multiply
    160,035.90x = 240,204.46 × 81,206.70
  4. Step 4: Simplify right side
    160,035.90x = 19,506,211,521.88
  5. Step 5: Solve for x
    x = 19,506,211,521.88/160,035.90
  6. Step 6: Final answer
    x = 121,886.47

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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.