Home / 147,614.70-221,443.65-77,499.30

Finding the Fourth Proportional to 147,614.70, 221,443.65 and 77,499.30

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Solution

The fourth proportional to 147,614.70, 221,443.65 and 77,499.30 is: 116,260.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,614.70 : 221,443.65 = 77,499.30 : x
  2. Step 2: Convert to fraction form
    147,614.70/221,443.65 = 77,499.30/x
  3. Step 3: Cross multiply
    147,614.70x = 221,443.65 × 77,499.30
  4. Step 4: Simplify right side
    147,614.70x = 17,161,727,864.45
  5. Step 5: Solve for x
    x = 17,161,727,864.45/147,614.70
  6. Step 6: Final answer
    x = 116,260.29

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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.