Home / 216,158.36-298,303.56-135,589.28

Finding the Fourth Proportional to 216,158.36, 298,303.56 and 135,589.28

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Solution

The fourth proportional to 216,158.36, 298,303.56 and 135,589.28 is: 187,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,158.36 : 298,303.56 = 135,589.28 : x
  2. Step 2: Convert to fraction form
    216,158.36/298,303.56 = 135,589.28/x
  3. Step 3: Cross multiply
    216,158.36x = 298,303.56 × 135,589.28
  4. Step 4: Simplify right side
    216,158.36x = 40,446,763,430.32
  5. Step 5: Solve for x
    x = 40,446,763,430.32/216,158.36
  6. Step 6: Final answer
    x = 187,116.35

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1.5x scale

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.