Home / 102,477.92-152,698.14-91,298.70

Finding the Fourth Proportional to 102,477.92, 152,698.14 and 91,298.70

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Solution

The fourth proportional to 102,477.92, 152,698.14 and 91,298.70 is: 136,040.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,477.92 : 152,698.14 = 91,298.70 : x
  2. Step 2: Convert to fraction form
    102,477.92/152,698.14 = 91,298.70/x
  3. Step 3: Cross multiply
    102,477.92x = 152,698.14 × 91,298.70
  4. Step 4: Simplify right side
    102,477.92x = 13,941,141,674.42
  5. Step 5: Solve for x
    x = 13,941,141,674.42/102,477.92
  6. Step 6: Final answer
    x = 136,040.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.