Home / 147,643.18-221,499.96-47,803.40

Finding the Fourth Proportional to 147,643.18, 221,499.96 and 47,803.40

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Solution

The fourth proportional to 147,643.18, 221,499.96 and 47,803.40 is: 71,716.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,643.18 : 221,499.96 = 47,803.40 : x
  2. Step 2: Convert to fraction form
    147,643.18/221,499.96 = 47,803.40/x
  3. Step 3: Cross multiply
    147,643.18x = 221,499.96 × 47,803.40
  4. Step 4: Simplify right side
    147,643.18x = 10,588,449,841.35
  5. Step 5: Solve for x
    x = 10,588,449,841.35/147,643.18
  6. Step 6: Final answer
    x = 71,716.49

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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.