Home / 161,410.41-242,113.65-72,601.20

Finding the Fourth Proportional to 161,410.41, 242,113.65 and 72,601.20

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Solution

The fourth proportional to 161,410.41, 242,113.65 and 72,601.20 is: 108,900.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,410.41 : 242,113.65 = 72,601.20 : x
  2. Step 2: Convert to fraction form
    161,410.41/242,113.65 = 72,601.20/x
  3. Step 3: Cross multiply
    161,410.41x = 242,113.65 × 72,601.20
  4. Step 4: Simplify right side
    161,410.41x = 17,577,741,526.38
  5. Step 5: Solve for x
    x = 17,577,741,526.38/161,410.41
  6. Step 6: Final answer
    x = 108,900.92

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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.