Home / 162,557.49-243,775.72-55,911.51

Finding the Fourth Proportional to 162,557.49, 243,775.72 and 55,911.51

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Solution

The fourth proportional to 162,557.49, 243,775.72 and 55,911.51 is: 83,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,557.49 : 243,775.72 = 55,911.51 : x
  2. Step 2: Convert to fraction form
    162,557.49/243,775.72 = 55,911.51/x
  3. Step 3: Cross multiply
    162,557.49x = 243,775.72 × 55,911.51
  4. Step 4: Simplify right side
    162,557.49x = 13,629,868,676.43
  5. Step 5: Solve for x
    x = 13,629,868,676.43/162,557.49
  6. Step 6: Final answer
    x = 83,846.45

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1.5x scale

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.