Home / 158,548.08-218,798.10-90,574.02

Finding the Fourth Proportional to 158,548.08, 218,798.10 and 90,574.02

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Solution

The fourth proportional to 158,548.08, 218,798.10 and 90,574.02 is: 124,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,548.08 : 218,798.10 = 90,574.02 : x
  2. Step 2: Convert to fraction form
    158,548.08/218,798.10 = 90,574.02/x
  3. Step 3: Cross multiply
    158,548.08x = 218,798.10 × 90,574.02
  4. Step 4: Simplify right side
    158,548.08x = 19,817,423,485.36
  5. Step 5: Solve for x
    x = 19,817,423,485.36/158,548.08
  6. Step 6: Final answer
    x = 124,993.15

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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.