Home / 143,509.96-197,931.54-93,225.16

Finding the Fourth Proportional to 143,509.96, 197,931.54 and 93,225.16

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Solution

The fourth proportional to 143,509.96, 197,931.54 and 93,225.16 is: 128,577.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,509.96 : 197,931.54 = 93,225.16 : x
  2. Step 2: Convert to fraction form
    143,509.96/197,931.54 = 93,225.16/x
  3. Step 3: Cross multiply
    143,509.96x = 197,931.54 × 93,225.16
  4. Step 4: Simplify right side
    143,509.96x = 18,452,199,485.55
  5. Step 5: Solve for x
    x = 18,452,199,485.55/143,509.96
  6. Step 6: Final answer
    x = 128,577.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.