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Finding the Fourth Proportional to 102,021.35, 153,032.03 and 101,037.20

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Solution

The fourth proportional to 102,021.35, 153,032.03 and 101,037.20 is: 151,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,021.35 : 153,032.03 = 101,037.20 : x
  2. Step 2: Convert to fraction form
    102,021.35/153,032.03 = 101,037.20/x
  3. Step 3: Cross multiply
    102,021.35x = 153,032.03 × 101,037.20
  4. Step 4: Simplify right side
    102,021.35x = 15,461,927,316.33
  5. Step 5: Solve for x
    x = 15,461,927,316.33/102,021.35
  6. Step 6: Final answer
    x = 151,555.80

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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.