Home / 210,675.64-290,981.76-142,574.52

Finding the Fourth Proportional to 210,675.64, 290,981.76 and 142,574.52

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Solution

The fourth proportional to 210,675.64, 290,981.76 and 142,574.52 is: 196,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,675.64 : 290,981.76 = 142,574.52 : x
  2. Step 2: Convert to fraction form
    210,675.64/290,981.76 = 142,574.52/x
  3. Step 3: Cross multiply
    210,675.64x = 290,981.76 × 142,574.52
  4. Step 4: Simplify right side
    210,675.64x = 41,486,584,760.76
  5. Step 5: Solve for x
    x = 41,486,584,760.76/210,675.64
  6. Step 6: Final answer
    x = 196,921.60

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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.