Home / 147,484.20-221,312.70-53,999.40

Finding the Fourth Proportional to 147,484.20, 221,312.70 and 53,999.40

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Solution

The fourth proportional to 147,484.20, 221,312.70 and 53,999.40 is: 81,030.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,484.20 : 221,312.70 = 53,999.40 : x
  2. Step 2: Convert to fraction form
    147,484.20/221,312.70 = 53,999.40/x
  3. Step 3: Cross multiply
    147,484.20x = 221,312.70 × 53,999.40
  4. Step 4: Simplify right side
    147,484.20x = 11,950,753,012.38
  5. Step 5: Solve for x
    x = 11,950,753,012.38/147,484.20
  6. Step 6: Final answer
    x = 81,030.73

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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.