Home / 147,605.38-221,420.50-46,426.66

Finding the Fourth Proportional to 147,605.38, 221,420.50 and 46,426.66

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Solution

The fourth proportional to 147,605.38, 221,420.50 and 46,426.66 is: 69,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,605.38 : 221,420.50 = 46,426.66 : x
  2. Step 2: Convert to fraction form
    147,605.38/221,420.50 = 46,426.66/x
  3. Step 3: Cross multiply
    147,605.38x = 221,420.50 × 46,426.66
  4. Step 4: Simplify right side
    147,605.38x = 10,279,813,600.91
  5. Step 5: Solve for x
    x = 10,279,813,600.91/147,605.38
  6. Step 6: Final answer
    x = 69,643.90

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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.