Home / 142,880.51-214,318.64-34,811.12

Finding the Fourth Proportional to 142,880.51, 214,318.64 and 34,811.12

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Solution

The fourth proportional to 142,880.51, 214,318.64 and 34,811.12 is: 52,216.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,880.51 : 214,318.64 = 34,811.12 : x
  2. Step 2: Convert to fraction form
    142,880.51/214,318.64 = 34,811.12/x
  3. Step 3: Cross multiply
    142,880.51x = 214,318.64 × 34,811.12
  4. Step 4: Simplify right side
    142,880.51x = 7,460,672,518.10
  5. Step 5: Solve for x
    x = 7,460,672,518.10/142,880.51
  6. Step 6: Final answer
    x = 52,216.17

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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.