Home / 158,027.40-218,098.31-90,068.81

Finding the Fourth Proportional to 158,027.40, 218,098.31 and 90,068.81

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Solution

The fourth proportional to 158,027.40, 218,098.31 and 90,068.81 is: 124,306.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,027.40 : 218,098.31 = 90,068.81 : x
  2. Step 2: Convert to fraction form
    158,027.40/218,098.31 = 90,068.81/x
  3. Step 3: Cross multiply
    158,027.40x = 218,098.31 × 90,068.81
  4. Step 4: Simplify right side
    158,027.40x = 19,643,853,703.88
  5. Step 5: Solve for x
    x = 19,643,853,703.88/158,027.40
  6. Step 6: Final answer
    x = 124,306.63

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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.