Home / 145,529.48-218,377.92-61,283

Finding the Fourth Proportional to 145,529.48, 218,377.92 and 61,283

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Solution

The fourth proportional to 145,529.48, 218,377.92 and 61,283 is: 91,959.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,529.48 : 218,377.92 = 61,283 : x
  2. Step 2: Convert to fraction form
    145,529.48/218,377.92 = 61,283/x
  3. Step 3: Cross multiply
    145,529.48x = 218,377.92 × 61,283
  4. Step 4: Simplify right side
    145,529.48x = 13,382,854,071.36
  5. Step 5: Solve for x
    x = 13,382,854,071.36/145,529.48
  6. Step 6: Final answer
    x = 91,959.75

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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.