Home / 218,373.48-301,330.98-122,913

Finding the Fourth Proportional to 218,373.48, 301,330.98 and 122,913

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Solution

The fourth proportional to 218,373.48, 301,330.98 and 122,913 is: 169,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,373.48 : 301,330.98 = 122,913 : x
  2. Step 2: Convert to fraction form
    218,373.48/301,330.98 = 122,913/x
  3. Step 3: Cross multiply
    218,373.48x = 301,330.98 × 122,913
  4. Step 4: Simplify right side
    218,373.48x = 37,037,494,744.74
  5. Step 5: Solve for x
    x = 37,037,494,744.74/218,373.48
  6. Step 6: Final answer
    x = 169,606.19

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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.