Home / 210,870.95-291,001.43-115,377.44

Finding the Fourth Proportional to 210,870.95, 291,001.43 and 115,377.44

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Solution

The fourth proportional to 210,870.95, 291,001.43 and 115,377.44 is: 159,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,870.95 : 291,001.43 = 115,377.44 : x
  2. Step 2: Convert to fraction form
    210,870.95/291,001.43 = 115,377.44/x
  3. Step 3: Cross multiply
    210,870.95x = 291,001.43 × 115,377.44
  4. Step 4: Simplify right side
    210,870.95x = 33,574,998,863.18
  5. Step 5: Solve for x
    x = 33,574,998,863.18/210,870.95
  6. Step 6: Final answer
    x = 159,220.60

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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.