Home / 130,016.48-179,421.84-70,400.48

Finding the Fourth Proportional to 130,016.48, 179,421.84 and 70,400.48

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Solution

The fourth proportional to 130,016.48, 179,421.84 and 70,400.48 is: 97,152.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,016.48 : 179,421.84 = 70,400.48 : x
  2. Step 2: Convert to fraction form
    130,016.48/179,421.84 = 70,400.48/x
  3. Step 3: Cross multiply
    130,016.48x = 179,421.84 × 70,400.48
  4. Step 4: Simplify right side
    130,016.48x = 12,631,383,658.48
  5. Step 5: Solve for x
    x = 12,631,383,658.48/130,016.48
  6. Step 6: Final answer
    x = 97,152.17

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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.