Home / 139,070.16-208,607.40-33,891.12

Finding the Fourth Proportional to 139,070.16, 208,607.40 and 33,891.12

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Solution

The fourth proportional to 139,070.16, 208,607.40 and 33,891.12 is: 50,837.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,070.16 : 208,607.40 = 33,891.12 : x
  2. Step 2: Convert to fraction form
    139,070.16/208,607.40 = 33,891.12/x
  3. Step 3: Cross multiply
    139,070.16x = 208,607.40 × 33,891.12
  4. Step 4: Simplify right side
    139,070.16x = 7,069,938,426.29
  5. Step 5: Solve for x
    x = 7,069,938,426.29/139,070.16
  6. Step 6: Final answer
    x = 50,837.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.