Home / 210,333.48-290,265.12-114,840.90

Finding the Fourth Proportional to 210,333.48, 290,265.12 and 114,840.90

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Solution

The fourth proportional to 210,333.48, 290,265.12 and 114,840.90 is: 158,483.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,333.48 : 290,265.12 = 114,840.90 : x
  2. Step 2: Convert to fraction form
    210,333.48/290,265.12 = 114,840.90/x
  3. Step 3: Cross multiply
    210,333.48x = 290,265.12 × 114,840.90
  4. Step 4: Simplify right side
    210,333.48x = 33,334,307,619.41
  5. Step 5: Solve for x
    x = 33,334,307,619.41/210,333.48
  6. Step 6: Final answer
    x = 158,483.13

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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.