Home / 143,313.90-215,068.05-93,272.10

Finding the Fourth Proportional to 143,313.90, 215,068.05 and 93,272.10

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Solution

The fourth proportional to 143,313.90, 215,068.05 and 93,272.10 is: 139,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,313.90 : 215,068.05 = 93,272.10 : x
  2. Step 2: Convert to fraction form
    143,313.90/215,068.05 = 93,272.10/x
  3. Step 3: Cross multiply
    143,313.90x = 215,068.05 × 93,272.10
  4. Step 4: Simplify right side
    143,313.90x = 20,059,848,666.41
  5. Step 5: Solve for x
    x = 20,059,848,666.41/143,313.90
  6. Step 6: Final answer
    x = 139,971.41

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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.