Home / 176,749.32-243,833.40-105,088.56

Finding the Fourth Proportional to 176,749.32, 243,833.40 and 105,088.56

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Solution

The fourth proportional to 176,749.32, 243,833.40 and 105,088.56 is: 144,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,749.32 : 243,833.40 = 105,088.56 : x
  2. Step 2: Convert to fraction form
    176,749.32/243,833.40 = 105,088.56/x
  3. Step 3: Cross multiply
    176,749.32x = 243,833.40 × 105,088.56
  4. Step 4: Simplify right side
    176,749.32x = 25,624,100,885.90
  5. Step 5: Solve for x
    x = 25,624,100,885.90/176,749.32
  6. Step 6: Final answer
    x = 144,974.25

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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.