Home / 147,376.08-220,999.20-42,171.12

Finding the Fourth Proportional to 147,376.08, 220,999.20 and 42,171.12

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Solution

The fourth proportional to 147,376.08, 220,999.20 and 42,171.12 is: 63,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,376.08 : 220,999.20 = 42,171.12 : x
  2. Step 2: Convert to fraction form
    147,376.08/220,999.20 = 42,171.12/x
  3. Step 3: Cross multiply
    147,376.08x = 220,999.20 × 42,171.12
  4. Step 4: Simplify right side
    147,376.08x = 9,319,783,783.10
  5. Step 5: Solve for x
    x = 9,319,783,783.10/147,376.08
  6. Step 6: Final answer
    x = 63,238.10

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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.