Home / 139,028.10-208,397.65-59,117.34

Finding the Fourth Proportional to 139,028.10, 208,397.65 and 59,117.34

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Solution

The fourth proportional to 139,028.10, 208,397.65 and 59,117.34 is: 88,614.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,028.10 : 208,397.65 = 59,117.34 : x
  2. Step 2: Convert to fraction form
    139,028.10/208,397.65 = 59,117.34/x
  3. Step 3: Cross multiply
    139,028.10x = 208,397.65 × 59,117.34
  4. Step 4: Simplify right side
    139,028.10x = 12,319,914,730.25
  5. Step 5: Solve for x
    x = 12,319,914,730.25/139,028.10
  6. Step 6: Final answer
    x = 88,614.57

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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.