Home / 157,855.24-217,801.20-101,343.16

Finding the Fourth Proportional to 157,855.24, 217,801.20 and 101,343.16

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Solution

The fourth proportional to 157,855.24, 217,801.20 and 101,343.16 is: 139,828.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,855.24 : 217,801.20 = 101,343.16 : x
  2. Step 2: Convert to fraction form
    157,855.24/217,801.20 = 101,343.16/x
  3. Step 3: Cross multiply
    157,855.24x = 217,801.20 × 101,343.16
  4. Step 4: Simplify right side
    157,855.24x = 22,072,661,859.79
  5. Step 5: Solve for x
    x = 22,072,661,859.79/157,855.24
  6. Step 6: Final answer
    x = 139,828.50

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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.