Home / 211,146.36-291,271.52-130,548.12

Finding the Fourth Proportional to 211,146.36, 291,271.52 and 130,548.12

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Solution

The fourth proportional to 211,146.36, 291,271.52 and 130,548.12 is: 180,088.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,146.36 : 291,271.52 = 130,548.12 : x
  2. Step 2: Convert to fraction form
    211,146.36/291,271.52 = 130,548.12/x
  3. Step 3: Cross multiply
    211,146.36x = 291,271.52 × 130,548.12
  4. Step 4: Simplify right side
    211,146.36x = 38,024,949,345.54
  5. Step 5: Solve for x
    x = 38,024,949,345.54/211,146.36
  6. Step 6: Final answer
    x = 180,088.11

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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.