Home / 210,557.52-290,557.04-115,064.96

Finding the Fourth Proportional to 210,557.52, 290,557.04 and 115,064.96

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Solution

The fourth proportional to 210,557.52, 290,557.04 and 115,064.96 is: 158,782.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,557.52 : 290,557.04 = 115,064.96 : x
  2. Step 2: Convert to fraction form
    210,557.52/290,557.04 = 115,064.96/x
  3. Step 3: Cross multiply
    210,557.52x = 290,557.04 × 115,064.96
  4. Step 4: Simplify right side
    210,557.52x = 33,432,934,185.32
  5. Step 5: Solve for x
    x = 33,432,934,185.32/210,557.52
  6. Step 6: Final answer
    x = 158,782.90

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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.