Home / 139,412.07-209,000.55-60,466.84

Finding the Fourth Proportional to 139,412.07, 209,000.55 and 60,466.84

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Solution

The fourth proportional to 139,412.07, 209,000.55 and 60,466.84 is: 90,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,412.07 : 209,000.55 = 60,466.84 : x
  2. Step 2: Convert to fraction form
    139,412.07/209,000.55 = 60,466.84/x
  3. Step 3: Cross multiply
    139,412.07x = 209,000.55 × 60,466.84
  4. Step 4: Simplify right side
    139,412.07x = 12,637,602,816.76
  5. Step 5: Solve for x
    x = 12,637,602,816.76/139,412.07
  6. Step 6: Final answer
    x = 90,649.27

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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.