Home / 210,870.39-291,000.96-115,377.48

Finding the Fourth Proportional to 210,870.39, 291,000.96 and 115,377.48

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Solution

The fourth proportional to 210,870.39, 291,000.96 and 115,377.48 is: 159,220.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,870.39 : 291,000.96 = 115,377.48 : x
  2. Step 2: Convert to fraction form
    210,870.39/291,000.96 = 115,377.48/x
  3. Step 3: Cross multiply
    210,870.39x = 291,000.96 × 115,377.48
  4. Step 4: Simplify right side
    210,870.39x = 33,574,957,442.38
  5. Step 5: Solve for x
    x = 33,574,957,442.38/210,870.39
  6. Step 6: Final answer
    x = 159,220.82

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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.