Home / 161,426.80-242,140.20-43,116.40

Finding the Fourth Proportional to 161,426.80, 242,140.20 and 43,116.40

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Solution

The fourth proportional to 161,426.80, 242,140.20 and 43,116.40 is: 64,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,426.80 : 242,140.20 = 43,116.40 : x
  2. Step 2: Convert to fraction form
    161,426.80/242,140.20 = 43,116.40/x
  3. Step 3: Cross multiply
    161,426.80x = 242,140.20 × 43,116.40
  4. Step 4: Simplify right side
    161,426.80x = 10,440,213,719.28
  5. Step 5: Solve for x
    x = 10,440,213,719.28/161,426.80
  6. Step 6: Final answer
    x = 64,674.60

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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.