Home / 172,036.04-258,138.59-77,333.13

Finding the Fourth Proportional to 172,036.04, 258,138.59 and 77,333.13

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Solution

The fourth proportional to 172,036.04, 258,138.59 and 77,333.13 is: 116,037.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,036.04 : 258,138.59 = 77,333.13 : x
  2. Step 2: Convert to fraction form
    172,036.04/258,138.59 = 77,333.13/x
  3. Step 3: Cross multiply
    172,036.04x = 258,138.59 × 77,333.13
  4. Step 4: Simplify right side
    172,036.04x = 19,962,664,751.82
  5. Step 5: Solve for x
    x = 19,962,664,751.82/172,036.04
  6. Step 6: Final answer
    x = 116,037.69

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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.