Home / 130,622.04-180,005.67-88,106.76

Finding the Fourth Proportional to 130,622.04, 180,005.67 and 88,106.76

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Solution

The fourth proportional to 130,622.04, 180,005.67 and 88,106.76 is: 121,416.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,622.04 : 180,005.67 = 88,106.76 : x
  2. Step 2: Convert to fraction form
    130,622.04/180,005.67 = 88,106.76/x
  3. Step 3: Cross multiply
    130,622.04x = 180,005.67 × 88,106.76
  4. Step 4: Simplify right side
    130,622.04x = 15,859,716,365.33
  5. Step 5: Solve for x
    x = 15,859,716,365.33/130,622.04
  6. Step 6: Final answer
    x = 121,416.85

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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.