Home / 130,611.36-180,258.57-88,256.46

Finding the Fourth Proportional to 130,611.36, 180,258.57 and 88,256.46

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Solution

The fourth proportional to 130,611.36, 180,258.57 and 88,256.46 is: 121,803.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,611.36 : 180,258.57 = 88,256.46 : x
  2. Step 2: Convert to fraction form
    130,611.36/180,258.57 = 88,256.46/x
  3. Step 3: Cross multiply
    130,611.36x = 180,258.57 × 88,256.46
  4. Step 4: Simplify right side
    130,611.36x = 15,908,983,272.86
  5. Step 5: Solve for x
    x = 15,908,983,272.86/130,611.36
  6. Step 6: Final answer
    x = 121,803.98

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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.