Home / 211,031.64-316,572.48-132,152.40

Finding the Fourth Proportional to 211,031.64, 316,572.48 and 132,152.40

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Solution

The fourth proportional to 211,031.64, 316,572.48 and 132,152.40 is: 198,244.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,031.64 : 316,572.48 = 132,152.40 : x
  2. Step 2: Convert to fraction form
    211,031.64/316,572.48 = 132,152.40/x
  3. Step 3: Cross multiply
    211,031.64x = 316,572.48 × 132,152.40
  4. Step 4: Simplify right side
    211,031.64x = 41,835,813,005.95
  5. Step 5: Solve for x
    x = 41,835,813,005.95/211,031.64
  6. Step 6: Final answer
    x = 198,244.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.