Home / 158,607.24-218,877.57-90,645.32

Finding the Fourth Proportional to 158,607.24, 218,877.57 and 90,645.32

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Solution

The fourth proportional to 158,607.24, 218,877.57 and 90,645.32 is: 125,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,607.24 : 218,877.57 = 90,645.32 : x
  2. Step 2: Convert to fraction form
    158,607.24/218,877.57 = 90,645.32/x
  3. Step 3: Cross multiply
    158,607.24x = 218,877.57 × 90,645.32
  4. Step 4: Simplify right side
    158,607.24x = 19,840,226,279.08
  5. Step 5: Solve for x
    x = 19,840,226,279.08/158,607.24
  6. Step 6: Final answer
    x = 125,090.29

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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.