Home / 151,738.69-209,270.84-91,298.04

Finding the Fourth Proportional to 151,738.69, 209,270.84 and 91,298.04

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Solution

The fourth proportional to 151,738.69, 209,270.84 and 91,298.04 is: 125,913.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,738.69 : 209,270.84 = 91,298.04 : x
  2. Step 2: Convert to fraction form
    151,738.69/209,270.84 = 91,298.04/x
  3. Step 3: Cross multiply
    151,738.69x = 209,270.84 × 91,298.04
  4. Step 4: Simplify right side
    151,738.69x = 19,106,018,117.74
  5. Step 5: Solve for x
    x = 19,106,018,117.74/151,738.69
  6. Step 6: Final answer
    x = 125,913.95

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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.