Home / 210,132.47-289,981.43-119,488.44

Finding the Fourth Proportional to 210,132.47, 289,981.43 and 119,488.44

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Solution

The fourth proportional to 210,132.47, 289,981.43 and 119,488.44 is: 164,893.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,132.47 : 289,981.43 = 119,488.44 : x
  2. Step 2: Convert to fraction form
    210,132.47/289,981.43 = 119,488.44/x
  3. Step 3: Cross multiply
    210,132.47x = 289,981.43 × 119,488.44
  4. Step 4: Simplify right side
    210,132.47x = 34,649,430,309.86
  5. Step 5: Solve for x
    x = 34,649,430,309.86/210,132.47
  6. Step 6: Final answer
    x = 164,893.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.