Home / 146,148.86-201,719.13-85,738.91

Finding the Fourth Proportional to 146,148.86, 201,719.13 and 85,738.91

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Solution

The fourth proportional to 146,148.86, 201,719.13 and 85,738.91 is: 118,339.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,148.86 : 201,719.13 = 85,738.91 : x
  2. Step 2: Convert to fraction form
    146,148.86/201,719.13 = 85,738.91/x
  3. Step 3: Cross multiply
    146,148.86x = 201,719.13 × 85,738.91
  4. Step 4: Simplify right side
    146,148.86x = 17,295,178,332.35
  5. Step 5: Solve for x
    x = 17,295,178,332.35/146,148.86
  6. Step 6: Final answer
    x = 118,339.47

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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.