Home / 142,812.60-214,175.72-42,946.28

Finding the Fourth Proportional to 142,812.60, 214,175.72 and 42,946.28

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Solution

The fourth proportional to 142,812.60, 214,175.72 and 42,946.28 is: 64,406.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,812.60 : 214,175.72 = 42,946.28 : x
  2. Step 2: Convert to fraction form
    142,812.60/214,175.72 = 42,946.28/x
  3. Step 3: Cross multiply
    142,812.60x = 214,175.72 × 42,946.28
  4. Step 4: Simplify right side
    142,812.60x = 9,198,051,083.13
  5. Step 5: Solve for x
    x = 9,198,051,083.13/142,812.60
  6. Step 6: Final answer
    x = 64,406.44

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1.5x scale

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.