Home / 335,787.40-503,681.10-99,129.70

Finding the Fourth Proportional to 335,787.40, 503,681.10 and 99,129.70

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Solution

The fourth proportional to 335,787.40, 503,681.10 and 99,129.70 is: 148,694.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,787.40 : 503,681.10 = 99,129.70 : x
  2. Step 2: Convert to fraction form
    335,787.40/503,681.10 = 99,129.70/x
  3. Step 3: Cross multiply
    335,787.40x = 503,681.10 × 99,129.70
  4. Step 4: Simplify right side
    335,787.40x = 49,929,756,338.67
  5. Step 5: Solve for x
    x = 49,929,756,338.67/335,787.40
  6. Step 6: Final answer
    x = 148,694.55

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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.