Home / 210,208.16-290,096.72-118,359.08

Finding the Fourth Proportional to 210,208.16, 290,096.72 and 118,359.08

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Solution

The fourth proportional to 210,208.16, 290,096.72 and 118,359.08 is: 163,340.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,208.16 : 290,096.72 = 118,359.08 : x
  2. Step 2: Convert to fraction form
    210,208.16/290,096.72 = 118,359.08/x
  3. Step 3: Cross multiply
    210,208.16x = 290,096.72 × 118,359.08
  4. Step 4: Simplify right side
    210,208.16x = 34,335,580,890.22
  5. Step 5: Solve for x
    x = 34,335,580,890.22/210,208.16
  6. Step 6: Final answer
    x = 163,340.86

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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.