Home / 91,095.84-137,337.44-84,674.27

Finding the Fourth Proportional to 91,095.84, 137,337.44 and 84,674.27

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Solution

The fourth proportional to 91,095.84, 137,337.44 and 84,674.27 is: 127,656.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,095.84 : 137,337.44 = 84,674.27 : x
  2. Step 2: Convert to fraction form
    91,095.84/137,337.44 = 84,674.27/x
  3. Step 3: Cross multiply
    91,095.84x = 137,337.44 × 84,674.27
  4. Step 4: Simplify right side
    91,095.84x = 11,628,947,395.64
  5. Step 5: Solve for x
    x = 11,628,947,395.64/91,095.84
  6. Step 6: Final answer
    x = 127,656.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.