Home / 130,228.17-179,749.97-76,549.17

Finding the Fourth Proportional to 130,228.17, 179,749.97 and 76,549.17

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Solution

The fourth proportional to 130,228.17, 179,749.97 and 76,549.17 is: 105,658.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,228.17 : 179,749.97 = 76,549.17 : x
  2. Step 2: Convert to fraction form
    130,228.17/179,749.97 = 76,549.17/x
  3. Step 3: Cross multiply
    130,228.17x = 179,749.97 × 76,549.17
  4. Step 4: Simplify right side
    130,228.17x = 13,759,710,628.28
  5. Step 5: Solve for x
    x = 13,759,710,628.28/130,228.17
  6. Step 6: Final answer
    x = 105,658.48

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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.