Home / 210,853.98-291,073.50-134,475.57

Finding the Fourth Proportional to 210,853.98, 291,073.50 and 134,475.57

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Solution

The fourth proportional to 210,853.98, 291,073.50 and 134,475.57 is: 185,636.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,853.98 : 291,073.50 = 134,475.57 : x
  2. Step 2: Convert to fraction form
    210,853.98/291,073.50 = 134,475.57/x
  3. Step 3: Cross multiply
    210,853.98x = 291,073.50 × 134,475.57
  4. Step 4: Simplify right side
    210,853.98x = 39,142,274,824.40
  5. Step 5: Solve for x
    x = 39,142,274,824.40/210,853.98
  6. Step 6: Final answer
    x = 185,636.88

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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.