Home / 211,160.34-291,290.79-130,562.10

Finding the Fourth Proportional to 211,160.34, 291,290.79 and 130,562.10

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Solution

The fourth proportional to 211,160.34, 291,290.79 and 130,562.10 is: 180,107.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,160.34 : 291,290.79 = 130,562.10 : x
  2. Step 2: Convert to fraction form
    211,160.34/291,290.79 = 130,562.10/x
  3. Step 3: Cross multiply
    211,160.34x = 291,290.79 × 130,562.10
  4. Step 4: Simplify right side
    211,160.34x = 38,031,537,253.06
  5. Step 5: Solve for x
    x = 38,031,537,253.06/211,160.34
  6. Step 6: Final answer
    x = 180,107.39

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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.