Home / 211,323.46-291,656.26-130,776.94

Finding the Fourth Proportional to 211,323.46, 291,656.26 and 130,776.94

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Solution

The fourth proportional to 211,323.46, 291,656.26 and 130,776.94 is: 180,490.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,323.46 : 291,656.26 = 130,776.94 : x
  2. Step 2: Convert to fraction form
    211,323.46/291,656.26 = 130,776.94/x
  3. Step 3: Cross multiply
    211,323.46x = 291,656.26 × 130,776.94
  4. Step 4: Simplify right side
    211,323.46x = 38,141,913,214.64
  5. Step 5: Solve for x
    x = 38,141,913,214.64/211,323.46
  6. Step 6: Final answer
    x = 180,490.67

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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.