Home / 130,085.60-195,184.32-55,256.24

Finding the Fourth Proportional to 130,085.60, 195,184.32 and 55,256.24

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Solution

The fourth proportional to 130,085.60, 195,184.32 and 55,256.24 is: 82,908.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,085.60 : 195,184.32 = 55,256.24 : x
  2. Step 2: Convert to fraction form
    130,085.60/195,184.32 = 55,256.24/x
  3. Step 3: Cross multiply
    130,085.60x = 195,184.32 × 55,256.24
  4. Step 4: Simplify right side
    130,085.60x = 10,785,151,630.16
  5. Step 5: Solve for x
    x = 10,785,151,630.16/130,085.60
  6. Step 6: Final answer
    x = 82,908.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.