Home / 130,588.32-180,250.38-85,273.34

Finding the Fourth Proportional to 130,588.32, 180,250.38 and 85,273.34

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Solution

The fourth proportional to 130,588.32, 180,250.38 and 85,273.34 is: 117,702.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,588.32 : 180,250.38 = 85,273.34 : x
  2. Step 2: Convert to fraction form
    130,588.32/180,250.38 = 85,273.34/x
  3. Step 3: Cross multiply
    130,588.32x = 180,250.38 × 85,273.34
  4. Step 4: Simplify right side
    130,588.32x = 15,370,551,938.87
  5. Step 5: Solve for x
    x = 15,370,551,938.87/130,588.32
  6. Step 6: Final answer
    x = 117,702.35

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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.