Home / 129,038.40-193,582.08-44,795.28

Finding the Fourth Proportional to 129,038.40, 193,582.08 and 44,795.28

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Solution

The fourth proportional to 129,038.40, 193,582.08 and 44,795.28 is: 67,201.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,038.40 : 193,582.08 = 44,795.28 : x
  2. Step 2: Convert to fraction form
    129,038.40/193,582.08 = 44,795.28/x
  3. Step 3: Cross multiply
    129,038.40x = 193,582.08 × 44,795.28
  4. Step 4: Simplify right side
    129,038.40x = 8,671,563,476.58
  5. Step 5: Solve for x
    x = 8,671,563,476.58/129,038.40
  6. Step 6: Final answer
    x = 67,201.42

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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.