Home / 147,876.40-221,814.60-146,564.20

Finding the Fourth Proportional to 147,876.40, 221,814.60 and 146,564.20

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Solution

The fourth proportional to 147,876.40, 221,814.60 and 146,564.20 is: 219,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,876.40 : 221,814.60 = 146,564.20 : x
  2. Step 2: Convert to fraction form
    147,876.40/221,814.60 = 146,564.20/x
  3. Step 3: Cross multiply
    147,876.40x = 221,814.60 × 146,564.20
  4. Step 4: Simplify right side
    147,876.40x = 32,510,079,397.32
  5. Step 5: Solve for x
    x = 32,510,079,397.32/147,876.40
  6. Step 6: Final answer
    x = 219,846.30

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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.