Home / 242,456.96-334,590.24-135,036.32

Finding the Fourth Proportional to 242,456.96, 334,590.24 and 135,036.32

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Solution

The fourth proportional to 242,456.96, 334,590.24 and 135,036.32 is: 186,349.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,456.96 : 334,590.24 = 135,036.32 : x
  2. Step 2: Convert to fraction form
    242,456.96/334,590.24 = 135,036.32/x
  3. Step 3: Cross multiply
    242,456.96x = 334,590.24 × 135,036.32
  4. Step 4: Simplify right side
    242,456.96x = 45,181,834,717.52
  5. Step 5: Solve for x
    x = 45,181,834,717.52/242,456.96
  6. Step 6: Final answer
    x = 186,349.92

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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.