Home / 147,928.61-221,944.43-46,742.10

Finding the Fourth Proportional to 147,928.61, 221,944.43 and 46,742.10

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Solution

The fourth proportional to 147,928.61, 221,944.43 and 46,742.10 is: 70,129.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,928.61 : 221,944.43 = 46,742.10 : x
  2. Step 2: Convert to fraction form
    147,928.61/221,944.43 = 46,742.10/x
  3. Step 3: Cross multiply
    147,928.61x = 221,944.43 × 46,742.10
  4. Step 4: Simplify right side
    147,928.61x = 10,374,148,026.07
  5. Step 5: Solve for x
    x = 10,374,148,026.07/147,928.61
  6. Step 6: Final answer
    x = 70,129.42

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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.