Home / 176,154.49-243,090.06-107,219.03

Finding the Fourth Proportional to 176,154.49, 243,090.06 and 107,219.03

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Solution

The fourth proportional to 176,154.49, 243,090.06 and 107,219.03 is: 147,960.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,154.49 : 243,090.06 = 107,219.03 : x
  2. Step 2: Convert to fraction form
    176,154.49/243,090.06 = 107,219.03/x
  3. Step 3: Cross multiply
    176,154.49x = 243,090.06 × 107,219.03
  4. Step 4: Simplify right side
    176,154.49x = 26,063,880,435.84
  5. Step 5: Solve for x
    x = 26,063,880,435.84/176,154.49
  6. Step 6: Final answer
    x = 147,960.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.