Home / 185,337.32-278,007.45-121,349.40

Finding the Fourth Proportional to 185,337.32, 278,007.45 and 121,349.40

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Solution

The fourth proportional to 185,337.32, 278,007.45 and 121,349.40 is: 182,025.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,337.32 : 278,007.45 = 121,349.40 : x
  2. Step 2: Convert to fraction form
    185,337.32/278,007.45 = 121,349.40/x
  3. Step 3: Cross multiply
    185,337.32x = 278,007.45 × 121,349.40
  4. Step 4: Simplify right side
    185,337.32x = 33,736,036,804.16
  5. Step 5: Solve for x
    x = 33,736,036,804.16/185,337.32
  6. Step 6: Final answer
    x = 182,025.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.