Home / 139,070.16-207,587.25-119,474.64

Finding the Fourth Proportional to 139,070.16, 207,587.25 and 119,474.64

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Solution

The fourth proportional to 139,070.16, 207,587.25 and 119,474.64 is: 178,337.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,070.16 : 207,587.25 = 119,474.64 : x
  2. Step 2: Convert to fraction form
    139,070.16/207,587.25 = 119,474.64/x
  3. Step 3: Cross multiply
    139,070.16x = 207,587.25 × 119,474.64
  4. Step 4: Simplify right side
    139,070.16x = 24,801,411,962.34
  5. Step 5: Solve for x
    x = 24,801,411,962.34/139,070.16
  6. Step 6: Final answer
    x = 178,337.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.