Home / 135,500.29-186,990.27-75,074.70

Finding the Fourth Proportional to 135,500.29, 186,990.27 and 75,074.70

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Solution

The fourth proportional to 135,500.29, 186,990.27 and 75,074.70 is: 103,603.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,500.29 : 186,990.27 = 75,074.70 : x
  2. Step 2: Convert to fraction form
    135,500.29/186,990.27 = 75,074.70/x
  3. Step 3: Cross multiply
    135,500.29x = 186,990.27 × 75,074.70
  4. Step 4: Simplify right side
    135,500.29x = 14,038,238,423.17
  5. Step 5: Solve for x
    x = 14,038,238,423.17/135,500.29
  6. Step 6: Final answer
    x = 103,603.01

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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.