Home / 210,390.76-290,340.31-114,897.45

Finding the Fourth Proportional to 210,390.76, 290,340.31 and 114,897.45

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Solution

The fourth proportional to 210,390.76, 290,340.31 and 114,897.45 is: 158,559.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,390.76 : 290,340.31 = 114,897.45 : x
  2. Step 2: Convert to fraction form
    210,390.76/290,340.31 = 114,897.45/x
  3. Step 3: Cross multiply
    210,390.76x = 290,340.31 × 114,897.45
  4. Step 4: Simplify right side
    210,390.76x = 33,359,360,963.97
  5. Step 5: Solve for x
    x = 33,359,360,963.97/210,390.76
  6. Step 6: Final answer
    x = 158,559.06

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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.