Home / 130,307.72-179,667.06-110,129

Finding the Fourth Proportional to 130,307.72, 179,667.06 and 110,129

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Solution

The fourth proportional to 130,307.72, 179,667.06 and 110,129 is: 151,844.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,307.72 : 179,667.06 = 110,129 : x
  2. Step 2: Convert to fraction form
    130,307.72/179,667.06 = 110,129/x
  3. Step 3: Cross multiply
    130,307.72x = 179,667.06 × 110,129
  4. Step 4: Simplify right side
    130,307.72x = 19,786,553,650.74
  5. Step 5: Solve for x
    x = 19,786,553,650.74/130,307.72
  6. Step 6: Final answer
    x = 151,844.83

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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.