Home / 133,649.30-184,434.49-72,394.32

Finding the Fourth Proportional to 133,649.30, 184,434.49 and 72,394.32

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Solution

The fourth proportional to 133,649.30, 184,434.49 and 72,394.32 is: 99,903.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,649.30 : 184,434.49 = 72,394.32 : x
  2. Step 2: Convert to fraction form
    133,649.30/184,434.49 = 72,394.32/x
  3. Step 3: Cross multiply
    133,649.30x = 184,434.49 × 72,394.32
  4. Step 4: Simplify right side
    133,649.30x = 13,352,009,488.10
  5. Step 5: Solve for x
    x = 13,352,009,488.10/133,649.30
  6. Step 6: Final answer
    x = 99,903.33

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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.