Home / 135,756.59-187,345.38-75,332.85

Finding the Fourth Proportional to 135,756.59, 187,345.38 and 75,332.85

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Solution

The fourth proportional to 135,756.59, 187,345.38 and 75,332.85 is: 103,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,756.59 : 187,345.38 = 75,332.85 : x
  2. Step 2: Convert to fraction form
    135,756.59/187,345.38 = 75,332.85/x
  3. Step 3: Cross multiply
    135,756.59x = 187,345.38 × 75,332.85
  4. Step 4: Simplify right side
    135,756.59x = 14,113,261,831.63
  5. Step 5: Solve for x
    x = 14,113,261,831.63/135,756.59
  6. Step 6: Final answer
    x = 103,960.05

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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.