Home / 142,364.53-213,568.67-47,577.21

Finding the Fourth Proportional to 142,364.53, 213,568.67 and 47,577.21

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Solution

The fourth proportional to 142,364.53, 213,568.67 and 47,577.21 is: 71,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,364.53 : 213,568.67 = 47,577.21 : x
  2. Step 2: Convert to fraction form
    142,364.53/213,568.67 = 47,577.21/x
  3. Step 3: Cross multiply
    142,364.53x = 213,568.67 × 47,577.21
  4. Step 4: Simplify right side
    142,364.53x = 10,161,001,462.01
  5. Step 5: Solve for x
    x = 10,161,001,462.01/142,364.53
  6. Step 6: Final answer
    x = 71,373.13

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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.