Home / 147,562.60-221,320.14-42,357.64

Finding the Fourth Proportional to 147,562.60, 221,320.14 and 42,357.64

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Solution

The fourth proportional to 147,562.60, 221,320.14 and 42,357.64 is: 63,529.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,562.60 : 221,320.14 = 42,357.64 : x
  2. Step 2: Convert to fraction form
    147,562.60/221,320.14 = 42,357.64/x
  3. Step 3: Cross multiply
    147,562.60x = 221,320.14 × 42,357.64
  4. Step 4: Simplify right side
    147,562.60x = 9,374,598,814.87
  5. Step 5: Solve for x
    x = 9,374,598,814.87/147,562.60
  6. Step 6: Final answer
    x = 63,529.64

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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.