Home / 94,918.19-142,377.30-86,998.46

Finding the Fourth Proportional to 94,918.19, 142,377.30 and 86,998.46

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Solution

The fourth proportional to 94,918.19, 142,377.30 and 86,998.46 is: 130,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,918.19 : 142,377.30 = 86,998.46 : x
  2. Step 2: Convert to fraction form
    94,918.19/142,377.30 = 86,998.46/x
  3. Step 3: Cross multiply
    94,918.19x = 142,377.30 × 86,998.46
  4. Step 4: Simplify right side
    94,918.19x = 12,386,605,127.07
  5. Step 5: Solve for x
    x = 12,386,605,127.07/94,918.19
  6. Step 6: Final answer
    x = 130,497.70

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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.