Home / 130,103.40-179,488.28-101,373.17

Finding the Fourth Proportional to 130,103.40, 179,488.28 and 101,373.17

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Solution

The fourth proportional to 130,103.40, 179,488.28 and 101,373.17 is: 139,852.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,103.40 : 179,488.28 = 101,373.17 : x
  2. Step 2: Convert to fraction form
    130,103.40/179,488.28 = 101,373.17/x
  3. Step 3: Cross multiply
    130,103.40x = 179,488.28 × 101,373.17
  4. Step 4: Simplify right side
    130,103.40x = 18,195,296,429.62
  5. Step 5: Solve for x
    x = 18,195,296,429.62/130,103.40
  6. Step 6: Final answer
    x = 139,852.58

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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.