Home / 130,626.54-180,011.88-88,111.26

Finding the Fourth Proportional to 130,626.54, 180,011.88 and 88,111.26

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Solution

The fourth proportional to 130,626.54, 180,011.88 and 88,111.26 is: 121,423.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,626.54 : 180,011.88 = 88,111.26 : x
  2. Step 2: Convert to fraction form
    130,626.54/180,011.88 = 88,111.26/x
  3. Step 3: Cross multiply
    130,626.54x = 180,011.88 × 88,111.26
  4. Step 4: Simplify right side
    130,626.54x = 15,861,073,561.77
  5. Step 5: Solve for x
    x = 15,861,073,561.77/130,626.54
  6. Step 6: Final answer
    x = 121,423.06

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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.