Home / 143,088.60-214,341.30-73,007.40

Finding the Fourth Proportional to 143,088.60, 214,341.30 and 73,007.40

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Solution

The fourth proportional to 143,088.60, 214,341.30 and 73,007.40 is: 109,362.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,088.60 : 214,341.30 = 73,007.40 : x
  2. Step 2: Convert to fraction form
    143,088.60/214,341.30 = 73,007.40/x
  3. Step 3: Cross multiply
    143,088.60x = 214,341.30 × 73,007.40
  4. Step 4: Simplify right side
    143,088.60x = 15,648,501,025.62
  5. Step 5: Solve for x
    x = 15,648,501,025.62/143,088.60
  6. Step 6: Final answer
    x = 109,362.32

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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.