Home / 189,633.04-261,688.56-104,748.28

Finding the Fourth Proportional to 189,633.04, 261,688.56 and 104,748.28

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Solution

The fourth proportional to 189,633.04, 261,688.56 and 104,748.28 is: 144,549.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,633.04 : 261,688.56 = 104,748.28 : x
  2. Step 2: Convert to fraction form
    189,633.04/261,688.56 = 104,748.28/x
  3. Step 3: Cross multiply
    189,633.04x = 261,688.56 × 104,748.28
  4. Step 4: Simplify right side
    189,633.04x = 27,411,426,555.68
  5. Step 5: Solve for x
    x = 27,411,426,555.68/189,633.04
  6. Step 6: Final answer
    x = 144,549.85

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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.