Home / 99,289.07-137,019.82-53,967.15

Finding the Fourth Proportional to 99,289.07, 137,019.82 and 53,967.15

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Solution

The fourth proportional to 99,289.07, 137,019.82 and 53,967.15 is: 74,475.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,289.07 : 137,019.82 = 53,967.15 : x
  2. Step 2: Convert to fraction form
    99,289.07/137,019.82 = 53,967.15/x
  3. Step 3: Cross multiply
    99,289.07x = 137,019.82 × 53,967.15
  4. Step 4: Simplify right side
    99,289.07x = 7,394,569,178.91
  5. Step 5: Solve for x
    x = 7,394,569,178.91/99,289.07
  6. Step 6: Final answer
    x = 74,475.16

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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.