Home / 130,919.77-180,688.13-94,738.69

Finding the Fourth Proportional to 130,919.77, 180,688.13 and 94,738.69

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Solution

The fourth proportional to 130,919.77, 180,688.13 and 94,738.69 is: 130,753.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,919.77 : 180,688.13 = 94,738.69 : x
  2. Step 2: Convert to fraction form
    130,919.77/180,688.13 = 94,738.69/x
  3. Step 3: Cross multiply
    130,919.77x = 180,688.13 × 94,738.69
  4. Step 4: Simplify right side
    130,919.77x = 17,118,156,734.75
  5. Step 5: Solve for x
    x = 17,118,156,734.75/130,919.77
  6. Step 6: Final answer
    x = 130,753.03

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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.