Home / 130,794.42-180,502.22-77,081.70

Finding the Fourth Proportional to 130,794.42, 180,502.22 and 77,081.70

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Solution

The fourth proportional to 130,794.42, 180,502.22 and 77,081.70 is: 106,376.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,794.42 : 180,502.22 = 77,081.70 : x
  2. Step 2: Convert to fraction form
    130,794.42/180,502.22 = 77,081.70/x
  3. Step 3: Cross multiply
    130,794.42x = 180,502.22 × 77,081.70
  4. Step 4: Simplify right side
    130,794.42x = 13,913,417,971.37
  5. Step 5: Solve for x
    x = 13,913,417,971.37/130,794.42
  6. Step 6: Final answer
    x = 106,376.24

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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.