Home / 215,292.08-297,105.76-118,507.12

Finding the Fourth Proportional to 215,292.08, 297,105.76 and 118,507.12

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Solution

The fourth proportional to 215,292.08, 297,105.76 and 118,507.12 is: 163,541.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,292.08 : 297,105.76 = 118,507.12 : x
  2. Step 2: Convert to fraction form
    215,292.08/297,105.76 = 118,507.12/x
  3. Step 3: Cross multiply
    215,292.08x = 297,105.76 × 118,507.12
  4. Step 4: Simplify right side
    215,292.08x = 35,209,147,953.01
  5. Step 5: Solve for x
    x = 35,209,147,953.01/215,292.08
  6. Step 6: Final answer
    x = 163,541.31

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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.