Home / 130,957.18-180,716.13-80,055.16

Finding the Fourth Proportional to 130,957.18, 180,716.13 and 80,055.16

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Solution

The fourth proportional to 130,957.18, 180,716.13 and 80,055.16 is: 110,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,957.18 : 180,716.13 = 80,055.16 : x
  2. Step 2: Convert to fraction form
    130,957.18/180,716.13 = 80,055.16/x
  3. Step 3: Cross multiply
    130,957.18x = 180,716.13 × 80,055.16
  4. Step 4: Simplify right side
    130,957.18x = 14,467,258,701.73
  5. Step 5: Solve for x
    x = 14,467,258,701.73/130,957.18
  6. Step 6: Final answer
    x = 110,473.20

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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.