Home / 158,011.44-218,002.37-89,980.18

Finding the Fourth Proportional to 158,011.44, 218,002.37 and 89,980.18

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Solution

The fourth proportional to 158,011.44, 218,002.37 and 89,980.18 is: 124,142.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,011.44 : 218,002.37 = 89,980.18 : x
  2. Step 2: Convert to fraction form
    158,011.44/218,002.37 = 89,980.18/x
  3. Step 3: Cross multiply
    158,011.44x = 218,002.37 × 89,980.18
  4. Step 4: Simplify right side
    158,011.44x = 19,615,891,498.12
  5. Step 5: Solve for x
    x = 19,615,891,498.12/158,011.44
  6. Step 6: Final answer
    x = 124,142.23

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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.