Home / 211,347.48-291,689.40-130,800.96

Finding the Fourth Proportional to 211,347.48, 291,689.40 and 130,800.96

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Solution

The fourth proportional to 211,347.48, 291,689.40 and 130,800.96 is: 180,523.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,347.48 : 291,689.40 = 130,800.96 : x
  2. Step 2: Convert to fraction form
    211,347.48/291,689.40 = 130,800.96/x
  3. Step 3: Cross multiply
    211,347.48x = 291,689.40 × 130,800.96
  4. Step 4: Simplify right side
    211,347.48x = 38,153,253,541.82
  5. Step 5: Solve for x
    x = 38,153,253,541.82/211,347.48
  6. Step 6: Final answer
    x = 180,523.82

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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.