Home / 210,297.60-290,215.08-114,808.32

Finding the Fourth Proportional to 210,297.60, 290,215.08 and 114,808.32

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Solution

The fourth proportional to 210,297.60, 290,215.08 and 114,808.32 is: 158,437.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,297.60 : 290,215.08 = 114,808.32 : x
  2. Step 2: Convert to fraction form
    210,297.60/290,215.08 = 114,808.32/x
  3. Step 3: Cross multiply
    210,297.60x = 290,215.08 × 114,808.32
  4. Step 4: Simplify right side
    210,297.60x = 33,319,105,773.47
  5. Step 5: Solve for x
    x = 33,319,105,773.47/210,297.60
  6. Step 6: Final answer
    x = 158,437.88

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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.