Home / 210,182.75-290,051.16-114,689.15

Finding the Fourth Proportional to 210,182.75, 290,051.16 and 114,689.15

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Solution

The fourth proportional to 210,182.75, 290,051.16 and 114,689.15 is: 158,270.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,182.75 : 290,051.16 = 114,689.15 : x
  2. Step 2: Convert to fraction form
    210,182.75/290,051.16 = 114,689.15/x
  3. Step 3: Cross multiply
    210,182.75x = 290,051.16 × 114,689.15
  4. Step 4: Simplify right side
    210,182.75x = 33,265,720,423.47
  5. Step 5: Solve for x
    x = 33,265,720,423.47/210,182.75
  6. Step 6: Final answer
    x = 158,270.46

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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.