Home / 147,971.16-221,989.92-42,798.30

Finding the Fourth Proportional to 147,971.16, 221,989.92 and 42,798.30

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Solution

The fourth proportional to 147,971.16, 221,989.92 and 42,798.30 is: 64,207.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,971.16 : 221,989.92 = 42,798.30 : x
  2. Step 2: Convert to fraction form
    147,971.16/221,989.92 = 42,798.30/x
  3. Step 3: Cross multiply
    147,971.16x = 221,989.92 × 42,798.30
  4. Step 4: Simplify right side
    147,971.16x = 9,500,791,193.14
  5. Step 5: Solve for x
    x = 9,500,791,193.14/147,971.16
  6. Step 6: Final answer
    x = 64,207.05

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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.