Home / 250,018.47-345,026.40-135,297.10

Finding the Fourth Proportional to 250,018.47, 345,026.40 and 135,297.10

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Solution

The fourth proportional to 250,018.47, 345,026.40 and 135,297.10 is: 186,710.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,018.47 : 345,026.40 = 135,297.10 : x
  2. Step 2: Convert to fraction form
    250,018.47/345,026.40 = 135,297.10/x
  3. Step 3: Cross multiply
    250,018.47x = 345,026.40 × 135,297.10
  4. Step 4: Simplify right side
    250,018.47x = 46,681,071,343.44
  5. Step 5: Solve for x
    x = 46,681,071,343.44/250,018.47
  6. Step 6: Final answer
    x = 186,710.49

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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.