Home / 158,095.69-218,166.62-90,134.55

Finding the Fourth Proportional to 158,095.69, 218,166.62 and 90,134.55

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Solution

The fourth proportional to 158,095.69, 218,166.62 and 90,134.55 is: 124,382.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,095.69 : 218,166.62 = 90,134.55 : x
  2. Step 2: Convert to fraction form
    158,095.69/218,166.62 = 90,134.55/x
  3. Step 3: Cross multiply
    158,095.69x = 218,166.62 × 90,134.55
  4. Step 4: Simplify right side
    158,095.69x = 19,664,349,668.05
  5. Step 5: Solve for x
    x = 19,664,349,668.05/158,095.69
  6. Step 6: Final answer
    x = 124,382.58

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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.