Home / 238,007.07-357,022.47-78,068.79

Finding the Fourth Proportional to 238,007.07, 357,022.47 and 78,068.79

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Solution

The fourth proportional to 238,007.07, 357,022.47 and 78,068.79 is: 117,107.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,007.07 : 357,022.47 = 78,068.79 : x
  2. Step 2: Convert to fraction form
    238,007.07/357,022.47 = 78,068.79/x
  3. Step 3: Cross multiply
    238,007.07x = 357,022.47 × 78,068.79
  4. Step 4: Simplify right side
    238,007.07x = 27,872,312,235.71
  5. Step 5: Solve for x
    x = 27,872,312,235.71/238,007.07
  6. Step 6: Final answer
    x = 117,107.08

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1.5x scale

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.