Home / 147,629.40-221,444.10-145,037.40

Finding the Fourth Proportional to 147,629.40, 221,444.10 and 145,037.40

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Solution

The fourth proportional to 147,629.40, 221,444.10 and 145,037.40 is: 217,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,629.40 : 221,444.10 = 145,037.40 : x
  2. Step 2: Convert to fraction form
    147,629.40/221,444.10 = 145,037.40/x
  3. Step 3: Cross multiply
    147,629.40x = 221,444.10 × 145,037.40
  4. Step 4: Simplify right side
    147,629.40x = 32,117,676,509.34
  5. Step 5: Solve for x
    x = 32,117,676,509.34/147,629.40
  6. Step 6: Final answer
    x = 217,556.10

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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.