Home / 210,724.34-290,718.32-130,011.89

Finding the Fourth Proportional to 210,724.34, 290,718.32 and 130,011.89

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Solution

The fourth proportional to 210,724.34, 290,718.32 and 130,011.89 is: 179,366.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,724.34 : 290,718.32 = 130,011.89 : x
  2. Step 2: Convert to fraction form
    210,724.34/290,718.32 = 130,011.89/x
  3. Step 3: Cross multiply
    210,724.34x = 290,718.32 × 130,011.89
  4. Step 4: Simplify right side
    210,724.34x = 37,796,836,137.17
  5. Step 5: Solve for x
    x = 37,796,836,137.17/210,724.34
  6. Step 6: Final answer
    x = 179,366.26

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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.