Home / 210,395.40-290,341.04-114,902.48

Finding the Fourth Proportional to 210,395.40, 290,341.04 and 114,902.48

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Solution

The fourth proportional to 210,395.40, 290,341.04 and 114,902.48 is: 158,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,395.40 : 290,341.04 = 114,902.48 : x
  2. Step 2: Convert to fraction form
    210,395.40/290,341.04 = 114,902.48/x
  3. Step 3: Cross multiply
    210,395.40x = 290,341.04 × 114,902.48
  4. Step 4: Simplify right side
    210,395.40x = 33,360,905,541.78
  5. Step 5: Solve for x
    x = 33,360,905,541.78/210,395.40
  6. Step 6: Final answer
    x = 158,562.90

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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.