Home / 147,587.80-221,446.52-77,450.72

Finding the Fourth Proportional to 147,587.80, 221,446.52 and 77,450.72

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Solution

The fourth proportional to 147,587.80, 221,446.52 and 77,450.72 is: 116,210.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,587.80 : 221,446.52 = 77,450.72 : x
  2. Step 2: Convert to fraction form
    147,587.80/221,446.52 = 77,450.72/x
  3. Step 3: Cross multiply
    147,587.80x = 221,446.52 × 77,450.72
  4. Step 4: Simplify right side
    147,587.80x = 17,151,192,415.49
  5. Step 5: Solve for x
    x = 17,151,192,415.49/147,587.80
  6. Step 6: Final answer
    x = 116,210.10

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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.