Home / 158,000.22-218,045.52-86,382.18

Finding the Fourth Proportional to 158,000.22, 218,045.52 and 86,382.18

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Solution

The fourth proportional to 158,000.22, 218,045.52 and 86,382.18 is: 119,210.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,000.22 : 218,045.52 = 86,382.18 : x
  2. Step 2: Convert to fraction form
    158,000.22/218,045.52 = 86,382.18/x
  3. Step 3: Cross multiply
    158,000.22x = 218,045.52 × 86,382.18
  4. Step 4: Simplify right side
    158,000.22x = 18,835,247,356.83
  5. Step 5: Solve for x
    x = 18,835,247,356.83/158,000.22
  6. Step 6: Final answer
    x = 119,210.26

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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.