Home / 210,003.03-289,809.70-129,483.77

Finding the Fourth Proportional to 210,003.03, 289,809.70 and 129,483.77

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Solution

The fourth proportional to 210,003.03, 289,809.70 and 129,483.77 is: 178,691.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,003.03 : 289,809.70 = 129,483.77 : x
  2. Step 2: Convert to fraction form
    210,003.03/289,809.70 = 129,483.77/x
  3. Step 3: Cross multiply
    210,003.03x = 289,809.70 × 129,483.77
  4. Step 4: Simplify right side
    210,003.03x = 37,525,650,765.81
  5. Step 5: Solve for x
    x = 37,525,650,765.81/210,003.03
  6. Step 6: Final answer
    x = 178,691.00

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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.