Home / 130,502.55-180,106.16-73,151.62

Finding the Fourth Proportional to 130,502.55, 180,106.16 and 73,151.62

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Solution

The fourth proportional to 130,502.55, 180,106.16 and 73,151.62 is: 100,956.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,502.55 : 180,106.16 = 73,151.62 : x
  2. Step 2: Convert to fraction form
    130,502.55/180,106.16 = 73,151.62/x
  3. Step 3: Cross multiply
    130,502.55x = 180,106.16 × 73,151.62
  4. Step 4: Simplify right side
    130,502.55x = 13,175,057,375.98
  5. Step 5: Solve for x
    x = 13,175,057,375.98/130,502.55
  6. Step 6: Final answer
    x = 100,956.32

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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.