Home / 176,330.29-243,340.62-103,738.30

Finding the Fourth Proportional to 176,330.29, 243,340.62 and 103,738.30

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Solution

The fourth proportional to 176,330.29, 243,340.62 and 103,738.30 is: 143,161.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,330.29 : 243,340.62 = 103,738.30 : x
  2. Step 2: Convert to fraction form
    176,330.29/243,340.62 = 103,738.30/x
  3. Step 3: Cross multiply
    176,330.29x = 243,340.62 × 103,738.30
  4. Step 4: Simplify right side
    176,330.29x = 25,243,742,239.75
  5. Step 5: Solve for x
    x = 25,243,742,239.75/176,330.29
  6. Step 6: Final answer
    x = 143,161.69

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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.