Home / 215,534.64-297,437.61-124,943.16

Finding the Fourth Proportional to 215,534.64, 297,437.61 and 124,943.16

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Solution

The fourth proportional to 215,534.64, 297,437.61 and 124,943.16 is: 172,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,534.64 : 297,437.61 = 124,943.16 : x
  2. Step 2: Convert to fraction form
    215,534.64/297,437.61 = 124,943.16/x
  3. Step 3: Cross multiply
    215,534.64x = 297,437.61 × 124,943.16
  4. Step 4: Simplify right side
    215,534.64x = 37,162,794,896.25
  5. Step 5: Solve for x
    x = 37,162,794,896.25/215,534.64
  6. Step 6: Final answer
    x = 172,421.45

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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.