Home / 210,464.48-290,461-114,985.52

Finding the Fourth Proportional to 210,464.48, 290,461 and 114,985.52

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Solution

The fourth proportional to 210,464.48, 290,461 and 114,985.52 is: 158,690.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,464.48 : 290,461 = 114,985.52 : x
  2. Step 2: Convert to fraction form
    210,464.48/290,461 = 114,985.52/x
  3. Step 3: Cross multiply
    210,464.48x = 290,461 × 114,985.52
  4. Step 4: Simplify right side
    210,464.48x = 33,398,809,124.72
  5. Step 5: Solve for x
    x = 33,398,809,124.72/210,464.48
  6. Step 6: Final answer
    x = 158,690.95

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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.