Home / 99,763.84-137,677.04-54,444.76

Finding the Fourth Proportional to 99,763.84, 137,677.04 and 54,444.76

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Solution

The fourth proportional to 99,763.84, 137,677.04 and 54,444.76 is: 75,135.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,763.84 : 137,677.04 = 54,444.76 : x
  2. Step 2: Convert to fraction form
    99,763.84/137,677.04 = 54,444.76/x
  3. Step 3: Cross multiply
    99,763.84x = 137,677.04 × 54,444.76
  4. Step 4: Simplify right side
    99,763.84x = 7,495,793,400.31
  5. Step 5: Solve for x
    x = 7,495,793,400.31/99,763.84
  6. Step 6: Final answer
    x = 75,135.37

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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.