Home / 459,924.90-689,911.18-140,052.05

Finding the Fourth Proportional to 459,924.90, 689,911.18 and 140,052.05

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Solution

The fourth proportional to 459,924.90, 689,911.18 and 140,052.05 is: 210,085.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,924.90 : 689,911.18 = 140,052.05 : x
  2. Step 2: Convert to fraction form
    459,924.90/689,911.18 = 140,052.05/x
  3. Step 3: Cross multiply
    459,924.90x = 689,911.18 × 140,052.05
  4. Step 4: Simplify right side
    459,924.90x = 96,623,478,532.94
  5. Step 5: Solve for x
    x = 96,623,478,532.94/459,924.90
  6. Step 6: Final answer
    x = 210,085.34

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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.