Home / 102,157.76-153,236.08-26,256.24

Finding the Fourth Proportional to 102,157.76, 153,236.08 and 26,256.24

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Solution

The fourth proportional to 102,157.76, 153,236.08 and 26,256.24 is: 39,384.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,157.76 : 153,236.08 = 26,256.24 : x
  2. Step 2: Convert to fraction form
    102,157.76/153,236.08 = 26,256.24/x
  3. Step 3: Cross multiply
    102,157.76x = 153,236.08 × 26,256.24
  4. Step 4: Simplify right side
    102,157.76x = 4,023,403,293.14
  5. Step 5: Solve for x
    x = 4,023,403,293.14/102,157.76
  6. Step 6: Final answer
    x = 39,384.22

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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.