Home / 147,973.16-221,992.92-42,800.30

Finding the Fourth Proportional to 147,973.16, 221,992.92 and 42,800.30

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Solution

The fourth proportional to 147,973.16, 221,992.92 and 42,800.30 is: 64,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,973.16 : 221,992.92 = 42,800.30 : x
  2. Step 2: Convert to fraction form
    147,973.16/221,992.92 = 42,800.30/x
  3. Step 3: Cross multiply
    147,973.16x = 221,992.92 × 42,800.30
  4. Step 4: Simplify right side
    147,973.16x = 9,501,363,573.88
  5. Step 5: Solve for x
    x = 9,501,363,573.88/147,973.16
  6. Step 6: Final answer
    x = 64,210.05

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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.