Home / 99,017.50-136,652.79-54,314.14

Finding the Fourth Proportional to 99,017.50, 136,652.79 and 54,314.14

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Solution

The fourth proportional to 99,017.50, 136,652.79 and 54,314.14 is: 74,958.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,017.50 : 136,652.79 = 54,314.14 : x
  2. Step 2: Convert to fraction form
    99,017.50/136,652.79 = 54,314.14/x
  3. Step 3: Cross multiply
    99,017.50x = 136,652.79 × 54,314.14
  4. Step 4: Simplify right side
    99,017.50x = 7,422,178,767.45
  5. Step 5: Solve for x
    x = 7,422,178,767.45/99,017.50
  6. Step 6: Final answer
    x = 74,958.25

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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.