Home / 147,473.56-221,218.64-42,289.80

Finding the Fourth Proportional to 147,473.56, 221,218.64 and 42,289.80

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Solution

The fourth proportional to 147,473.56, 221,218.64 and 42,289.80 is: 63,437.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,473.56 : 221,218.64 = 42,289.80 : x
  2. Step 2: Convert to fraction form
    147,473.56/221,218.64 = 42,289.80/x
  3. Step 3: Cross multiply
    147,473.56x = 221,218.64 × 42,289.80
  4. Step 4: Simplify right side
    147,473.56x = 9,355,292,041.87
  5. Step 5: Solve for x
    x = 9,355,292,041.87/147,473.56
  6. Step 6: Final answer
    x = 63,437.08

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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.