Home / 91,244.29-136,675.58-73,378.21

Finding the Fourth Proportional to 91,244.29, 136,675.58 and 73,378.21

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Solution

The fourth proportional to 91,244.29, 136,675.58 and 73,378.21 is: 109,913.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,244.29 : 136,675.58 = 73,378.21 : x
  2. Step 2: Convert to fraction form
    91,244.29/136,675.58 = 73,378.21/x
  3. Step 3: Cross multiply
    91,244.29x = 136,675.58 × 73,378.21
  4. Step 4: Simplify right side
    91,244.29x = 10,029,009,411.11
  5. Step 5: Solve for x
    x = 10,029,009,411.11/91,244.29
  6. Step 6: Final answer
    x = 109,913.83

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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.