Home / 142,210.96-213,433.08-72,110.32

Finding the Fourth Proportional to 142,210.96, 213,433.08 and 72,110.32

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Solution

The fourth proportional to 142,210.96, 213,433.08 and 72,110.32 is: 108,224.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,210.96 : 213,433.08 = 72,110.32 : x
  2. Step 2: Convert to fraction form
    142,210.96/213,433.08 = 72,110.32/x
  3. Step 3: Cross multiply
    142,210.96x = 213,433.08 × 72,110.32
  4. Step 4: Simplify right side
    142,210.96x = 15,390,727,697.39
  5. Step 5: Solve for x
    x = 15,390,727,697.39/142,210.96
  6. Step 6: Final answer
    x = 108,224.62

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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.