Home / 226,189.92-312,248.34-130,678.16

Finding the Fourth Proportional to 226,189.92, 312,248.34 and 130,678.16

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Solution

The fourth proportional to 226,189.92, 312,248.34 and 130,678.16 is: 180,397.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,189.92 : 312,248.34 = 130,678.16 : x
  2. Step 2: Convert to fraction form
    226,189.92/312,248.34 = 130,678.16/x
  3. Step 3: Cross multiply
    226,189.92x = 312,248.34 × 130,678.16
  4. Step 4: Simplify right side
    226,189.92x = 40,804,038,534.25
  5. Step 5: Solve for x
    x = 40,804,038,534.25/226,189.92
  6. Step 6: Final answer
    x = 180,397.25

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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.