Home / 162,653.36-224,060.58-138,376.57

Finding the Fourth Proportional to 162,653.36, 224,060.58 and 138,376.57

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Solution

The fourth proportional to 162,653.36, 224,060.58 and 138,376.57 is: 190,618.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,653.36 : 224,060.58 = 138,376.57 : x
  2. Step 2: Convert to fraction form
    162,653.36/224,060.58 = 138,376.57/x
  3. Step 3: Cross multiply
    162,653.36x = 224,060.58 × 138,376.57
  4. Step 4: Simplify right side
    162,653.36x = 31,004,734,532.61
  5. Step 5: Solve for x
    x = 31,004,734,532.61/162,653.36
  6. Step 6: Final answer
    x = 190,618.47

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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.