Home / 142,246.66-213,503.91-72,176.26

Finding the Fourth Proportional to 142,246.66, 213,503.91 and 72,176.26

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Solution

The fourth proportional to 142,246.66, 213,503.91 and 72,176.26 is: 108,332.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,246.66 : 213,503.91 = 72,176.26 : x
  2. Step 2: Convert to fraction form
    142,246.66/213,503.91 = 72,176.26/x
  3. Step 3: Cross multiply
    142,246.66x = 213,503.91 × 72,176.26
  4. Step 4: Simplify right side
    142,246.66x = 15,409,913,719.18
  5. Step 5: Solve for x
    x = 15,409,913,719.18/142,246.66
  6. Step 6: Final answer
    x = 108,332.34

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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.