Home / 139,239.03-208,825.14-64,287.18

Finding the Fourth Proportional to 139,239.03, 208,825.14 and 64,287.18

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Solution

The fourth proportional to 139,239.03, 208,825.14 and 64,287.18 is: 96,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,239.03 : 208,825.14 = 64,287.18 : x
  2. Step 2: Convert to fraction form
    139,239.03/208,825.14 = 64,287.18/x
  3. Step 3: Cross multiply
    139,239.03x = 208,825.14 × 64,287.18
  4. Step 4: Simplify right side
    139,239.03x = 13,424,779,363.71
  5. Step 5: Solve for x
    x = 13,424,779,363.71/139,239.03
  6. Step 6: Final answer
    x = 96,415.35

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1.5x scale

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.